The Safety and Quality of Abortion Care in the United States (2018)

Chapter: Appendix D: Literature Search Strategy

Previous Chapter: Appendix C: Public Meeting Agenda
Suggested Citation: "Appendix D: Literature Search Strategy." National Academies of Sciences, Engineering, and Medicine. 2018. The Safety and Quality of Abortion Care in the United States. Washington, DC: The National Academies Press. doi: 10.17226/24950.

Appendix D

Literature Search Strategy

Professional research librarians conducted literature searches for this study based on the statement of task and reference interviews with program staff and the committee to identify relevant research. The databases that were searched included Medline, Embase, PubMed, Scopus, PsycINFO, CINAHL, Web of Science, and Cochrane Database of Systematic Reviews. Titles and abstracts identified in the literature searches were organized into EndNote libraries.

Table D-1 broadly details the scope of each search. The search syntax for each literature search is detailed in the sections below.

Suggested Citation: "Appendix D: Literature Search Strategy." National Academies of Sciences, Engineering, and Medicine. 2018. The Safety and Quality of Abortion Care in the United States. Washington, DC: The National Academies Press. doi: 10.17226/24950.

TABLE D-1 Literature Searches

TopicDateLiteratureDate RangeDatabasesNo. of Citations Yielded
Mental Health Outcomes2/8/2017Systematic Reviews, Meta-Analysis2000–PresentMedline, Embase, Cochrane, PubMed, PsycINFO142
Short-Term Health Effects2/8/2017Systematic Reviews, Meta-Analysis2000–PresentMedline, Embase, Cochrane, PubMed248
Mental Health Outcomes3/2/2017Primary Literature, Editorials2000–PresentMedline, Embase, PubMed, PsycINFO460
Short-Term Health Effects3/2/2017Primary Literature, Editorials2012–PresentMedline, Embase, PubMed,617
Disparities3/3/2017Systematic Reviews, Meta-Analysis, Primary Literature, Editorials2000–PresentMedline, Embase, PubMed, Scopus1,381
Long-Term Health Effects3/30/2017Systematic Reviews, Meta-Analysis, Primary Literature, Editorials1970–PresentMedline, Embase, PubMed2,072
Delays4/19/2017Systematic Reviews, Meta-Analysis, Primary Literature, Editorials2005–PresentMedline, Embase, PubMed Web of Science1,259
Cancer6/19/2017Systematic Reviews, Meta-Analysis, Primary Literature, Editorials2007–PresentMedline, Embase, Cochrane, PubMed1,835
Training2/20/2017Systematic Reviews, Meta-Analysis, Primary Literature, Editorials2000–PresentPubMed, CINAHL, Cochrane1,378
Suggested Citation: "Appendix D: Literature Search Strategy." National Academies of Sciences, Engineering, and Medicine. 2018. The Safety and Quality of Abortion Care in the United States. Washington, DC: The National Academies Press. doi: 10.17226/24950.

MENTAL HEALTH OUTCOMES

Systematic Reviews

Search Strategy: Mental Health Outcomes

Date: 2000–Present

Countries: United States and International

Population: Human

Document Types: Systematic Reviews, Meta-Analysis

Databases Searched: Medline, Embase, Cochrane, PubMed, and PsycINFO

Search No. Search Syntax
Medline (Ovid)
1Abortion Applicants/ or Abortion, Induced/
2Mental Disorders/ or Mental Health/
3Depression/
4Anxiety/
5(mental health or distress or relief or depression or counseling).ti,ab.
6or/2–5
7Animals/
8(animal or animals or mice or mouse or rat or rats).ti,ab.
9or/7–8
10Abortion, Spontaneous/
11spontaneous abortion.ti,ab.
12or/10–11
13Adolescent/
14under 18.ti,ab.
15(adolescent or adolescents or teenager or teen).ti,ab.
16or/13–15
171 and 6
1817 not 9
1918 not 12
2019
21limit 20 to yr=“2000–Current”
22limit 21 to (“review” or systematic reviews)
2322 and 16
24geographic variation.ti,ab.
25Regional Medical Programs/
26Residence Characteristics/
27Health Services Accessibility/
28United States/
29appalachian region/ or great lakes region/ or mid-atlantic region/ or midwestern united states/ or new england/ or northwestern united states/ or pacific states/ or southeastern united states/ or southwestern united states/
30or/24–29
3122 and 30
32Socioeconomic Factors/
33Poverty/ or Social Class/
34socioeconomic status.ti,ab.
35or/32–34
3622 and 35
Suggested Citation: "Appendix D: Literature Search Strategy." National Academies of Sciences, Engineering, and Medicine. 2018. The Safety and Quality of Abortion Care in the United States. Washington, DC: The National Academies Press. doi: 10.17226/24950.
37Continental Population Groups/
38Ethnic Groups/
39African Americans/
40asian americans/ or hispanic americans/
41(race or ethnicity).ti,ab.
42or/37–41
4322 and 42
4422
Embase (Ovid)
1Abortion Applicants/ or Abortion, Induced/
2Mental Disorders/ or Mental Health/
3Depression/
4Anxiety/
5(mental health or distress or relief or depression or counseling).ti,ab.
6or/2–5
7Animals/
8(animal or animals or mice or mouse or rat or rats).ti,ab.
9or/7–8
10Abortion, Spontaneous/
11spontaneous abortion.ti,ab.
12or/10–11
13Adolescent/
14under 18.ti,ab.
15(adolescent or adolescents or teenager or teen).ti,ab.
16or/13–15
171 and 6
1817 not 9
1918 not 12
2019
21limit 20 to yr=“2000–Current”
22limit 21 to (“review”)
2322 and 16
24geographic variation.ti,ab.
25Regional Medical Programs/
26Residence Characteristics/
27Health Services Accessibility/
28United States/
29appalachian region/ or great lakes region/ or mid-atlantic region/ or midwestern united states/ or new england/ or northwestern united states/ or pacific states/ or southeastern united states/ or southwestern united states/
30or/24–29
3122 and 30
32Socioeconomic Factors/
33Poverty/ or Social Class/
34socioeconomic status.ti,ab.
35or/32–34
3622 and 35
37Continental Population Groups/
38Ethnic Groups/
39African Americans/
40asian americans/or hispanic americans/
Suggested Citation: "Appendix D: Literature Search Strategy." National Academies of Sciences, Engineering, and Medicine. 2018. The Safety and Quality of Abortion Care in the United States. Washington, DC: The National Academies Press. doi: 10.17226/24950.
41(race or ethnicity).ti,ab.
42or/37–41
4322 and 42
4422
Cochrane Database of Systematic Reviews (Ovid)
1abortion.ti,ab.
2mental health.ti,ab.
3(mental disorder or distress or grief or depression or counseling or anxiety). ti,ab.
4or/2–3
51 and 4

PubMed:

Note: The following search was run to capture e-pub ahead of print, under indexed and recent articles not yet indexed in Medline.

(“Abortion, Induced”[Mesh] OR abortion [Title/Abstract])

Filters: Review, Systematic Reviews, Publication date from 206/01/01 to 2017/12/31, Humans

PsycINFO (ProQuest):

SU.EXACT(“Induced Abortion”) AND (SU.EXACT(“Anxiety”) OR

SU.EXACT(“Posttraumatic Stress Disorder”) OR SU.EXACT(“Depression

(Emotion)”) OR SU.EXACT(“Post-Traumatic Stress”) OR SU.EXACT(“Major

Depression”) OR SU.EXACT(“Anxiety Disorders”) OR SU.EXACT(“Stress”)

OR SU.EXACT(“Psychological Stress”) OR SU.EXACT(“Mental Disorders”) OR

SU.EXACT(“Grief”) OR anxiety OR stress OR depression OR grief OR “mental disorder” OR “mental health”)

Limits:

Date: After January 1, 2000

Document type: Journal, Journal Article, Peer Reviewed Journal, Peer-reviewed Journal

Methodology: Literature Review, Longitudinal Study, Meta-Analysis, Meta Synthesis, Systematic Review

Population: Human

Primary Literature

Search Strategy: Mental Health Outcomes

Date: 2000–Present

Countries: United States and International

Population: Human

Document Types: Primary Literature, Editorials

Databases Searched: Medline, Embase, PubMed, and PsycINFO

Search No. Search Syntax
Embase (Ovid)
1induced abortion/ or (induced adj abortion).ti,kw.
2mental disease/ or acute stress/ or physical stress/ or posttraumatic stress disorder/ or stress/ or emotional stress/ or acute stress disorder/ or physiological stress/
Suggested Citation: "Appendix D: Literature Search Strategy." National Academies of Sciences, Engineering, and Medicine. 2018. The Safety and Quality of Abortion Care in the United States. Washington, DC: The National Academies Press. doi: 10.17226/24950.
3mental health/
4depression/
5anxiety/
6grief/
7(mental health or distress or depression or anxiety or grief or stress or ptsd or post traumatic stress disorder).kw.
8or/2–7
91 and 8
10spontaneous abortion/
11(spontaneous adj abortion).kw.
12or/10–11
139 not 12
14animal/
15(animal or animals or mice or mouse or rat or rats).kw.
16or/14–15
1713 not 16
1817
19limit 18 to yr=“2000–Current”
20limit 19 to (editorial or letter or note)
21limit 19 to (article or conference abstract or conference paper or conference proceeding or “conference review” or journal or report or short survey or trade journal)
2221 not 20
Medline (Ovid)
1Abortion, Induced/ or (induced adj abortion).kw,ti.
2Mental Disorders/ or Mental Health/
3Depression/
4Anxiety/ or Stress Disorders, Post-Traumatic/ or Stress Disorders, Traumatic/ or Stress Disorders, Traumatic, Acute/ or Stress, Psychological/ or Stress, Physiological/ or Grief/
5(mental health or distress or depression or anxiety or grief or stress or ptsd or post traumatic stress disorder).kw.
6or/2–5
7Animals/
8(animal or animals or mice or mouse or rat or rats).kw.
9or/7–8
10Abortion, Spontaneous/
11(spontaneous adj abortion).kw.
12or/10–11
131 and 6
1413 not 9
1514 not 12
1615
17limit 16 to yr=“2000–Current”
18limit 17 to (comment or editorial or guideline or letter or news)
19limit 17 to (case reports or classical article or clinical study or clinical trial, all or clinical trial, phase i or clinical trial, phase ii or clinical trial, phase iii or clinical trial, phase iv or clinical trial or comparative study or controlled clinical trial or evaluation studies or historical article or journal article or meta analysis or multicenter study or observational study or pragmatic
Suggested Citation: "Appendix D: Literature Search Strategy." National Academies of Sciences, Engineering, and Medicine. 2018. The Safety and Quality of Abortion Care in the United States. Washington, DC: The National Academies Press. doi: 10.17226/24950.
clinical trial or randomized controlled trial or technical report or twin study or validation studies)
2019 not 18

PsycINFO (ProQuest):

(SU.EXACT(“Induced Abortion”)) AND (SU.EXACT(“Anxiety”) OR

SU.EXACT(“Posttraumatic Stress Disorder”) OR SU.EXACT(“Depression

(Emotion)”) OR SU.EXACT(“Post-Traumatic Stress”) OR SU.EXACT(“Major

Depression”) OR SU.EXACT(“Anxiety Disorders”) OR SU.EXACT(“Stress”)

OR SU.EXACT(“Psychological Stress”) OR SU.EXACT(“Mental Disorders”) OR

SU.EXACT(“Grief”))

Limits:

Date: After January 1, 2000

Record type: Comment/Reply OR Editorial OR Letter

Record type: Journal OR Peer Reviewed Journal OR Journal Article OR Peer-reviewed Journal

PubMed:

Note: The following search was run to capture e-pub ahead of print, under indexed and recent articles not yet in Medline.

(“Abortion, Induced”[Mesh] OR abortion[tw]) AND (mental health[tw] OR“Mental Health”[Mesh])

SHORT-TERM HEALTH EFFECTS

Systematic Reviews

Search Strategy: Short-Term Health Effects

Date: 2000–Present

Countries: United States and International

Population: Human

Document Types: Systematic Reviews, Meta-Analysis

Databases Searched: Medline, Embase, Cochrane, and PubMed

Search No. Search Syntax
Medline (Ovid)
1Abortion, Induced/
2abortion.ti,ab.
31 or 2
4Mortality/
5Hospitalization/
6Emergency Service, Hospital/
7Blood Transfusion/ or Blood Component Transfusion/
8Infection/
9Antibiotic Prophylaxis/
10Postoperative Complications/
11(mortality or hospitalization or emergency room or transfusion or infection or prophylactic antibiotics or surgery or abortion complications or short term effects).ti,ab.
Suggested Citation: "Appendix D: Literature Search Strategy." National Academies of Sciences, Engineering, and Medicine. 2018. The Safety and Quality of Abortion Care in the United States. Washington, DC: The National Academies Press. doi: 10.17226/24950.
12or/4–11
133 and 12
14Animals/
15Mice/
16Rats/
17(animal or animals or mice or mouse or rat or rats).ti,ab.
18or/14–17
1913 not 18
20limit 19 to (“review” or systematic reviews)
21Adolescent/
22under 18.ti,ab.
23(adolescent or adolescents or teenager or teen).ti,ab.
24or/21–23
2520 and 24
26Abortion, Spontaneous/
27spontaneous abortion.ti,ab.
28or/26-27
2925 not 28
3029
31limit 29 to yr=“2000–Current”
32geographic variation.ti,ab.
33Regional Medical Programs/
34Residence Characteristics/
35Health Services Accessibility/
36United States/
37appalachian region/ or great lakes region/ or mid-atlantic region/ or midwestern united states/ or new england/ or northwestern united states/ or pacific states/ or southeastern united states/ or southwestern united states/
38or/32–37
3920 and 38
4039 not 28
4140
42limit 41 to yr=“2000–Current”
43Socioeconomic Factors/
44Poverty/ or Social Class/
45socioeconomic status.ti,ab.
46or/43–45
4720 and 46
4847 not 28
4948
50limit 49 to yr=“2000–Current”
51Continental Population Groups/
52Ethnic Groups/
53African Americans/
54asian americans/ or hispanic americans/
55(race or ethnicity).ti,ab.
56or/51–55
5720 and 56
5857 not 28
5958
60limit 59 to yr=“2000–Current”
611 and 12
Suggested Citation: "Appendix D: Literature Search Strategy." National Academies of Sciences, Engineering, and Medicine. 2018. The Safety and Quality of Abortion Care in the United States. Washington, DC: The National Academies Press. doi: 10.17226/24950.
6261
63limit 62 to yr=“2000–Current”
6463 not 18
65limit 64 to (“review” or systematic reviews)
Embase (Ovid)
1Abortion, Induced/
2abortion.ti,ab.
31 or 2
4Mortality/
5Hospitalization/
6Emergency Service, Hospital/
7Blood Transfusion/ or Blood Component Transfusion/
8Infection/
9Antibiotic Prophylaxis/
10Postoperative Complications/
11(mortality or hospitalization or emergency room or transfusion or infection or prophylactic antibiotics or surgery or abortion complications or short term effects).ti,ab.
12or/4–11
133 and 12
14Animals/
15Mice/
16Rats/
17(animal or animals or mice or mouse or rat or rats).ti,ab.
18or/14–17
1913 not 18
20limit 19 to (“review”)
21Adolescent/
22under 18.ti,ab.
23(adolescent or adolescents or teenager or teen).ti,ab.
24or/21–23
2520 and 24
26Abortion, Spontaneous/
27spontaneous abortion.ti,ab.
28or/26–27
2925 not 28
3029
31limit 29 to yr=“2000–Current”
32geographic variation.ti,ab.
33Regional Medical Programs/
34Residence Characteristics/
35Health Services Accessibility/
36United States/
37appalachian region/ or great lakes region/ or mid-atlantic region/ or midwestern united states/ or new england/ or northwestern united states/ or pacific states/ or southeastern united states/ or southwestern united states/
38or/32–37
3920 and 38
4039 not 28
4140
42limit 41 to yr=“2000–Current”
Suggested Citation: "Appendix D: Literature Search Strategy." National Academies of Sciences, Engineering, and Medicine. 2018. The Safety and Quality of Abortion Care in the United States. Washington, DC: The National Academies Press. doi: 10.17226/24950.
43Socioeconomic Factors/
44Poverty/ or Social Class/
45socioeconomic status.ti,ab.
46or/43–45
4720 and 46
4847 not 28
4948
50limit 49 to yr=“2000–Current”
51Continental Population Groups/
52Ethnic Groups/
53African Americans/
54asian americans/ or hispanic americans/
55(race or ethnicity).ti,ab.
56or/51–55
5720 and 56
5857 not 28
5958
60limit 59 to yr=“2000–Current”
611 and 12
6261
63limit 62 to yr=“2000–Current”
6463 not 18
65limit 64 to (“review”)
Cochrane Database of Systematic Reviews (Ovid)
1abortion.ti,ab.
2short term effects.ti,ab.
3(mortality or hospitalization or emergency room or transfusion or infection or prophylactic antibiotics or surgery or complications).ti,ab.
4or/2–3
51 and 4

PubMed:

Note: The following search was run to capture e-pub ahead of print, under indexed and recent articles not yet in Medline.

(“Abortion, Induced”[Mesh] OR abortion [Title/Abstract])

Filters: Review, Systematic Reviews, Publication date from 206/01/01 to 2017/12/31, Humans

Primary Literature

Search Strategy: Short-Term Effects

Date: 2012–Present

Countries: United States and International

Population: Human

Document Types: Primary Literature, Editorials

Databases Searched: Medline, Embase, and PubMed

Suggested Citation: "Appendix D: Literature Search Strategy." National Academies of Sciences, Engineering, and Medicine. 2018. The Safety and Quality of Abortion Care in the United States. Washington, DC: The National Academies Press. doi: 10.17226/24950.
Search No.Search Syntax
Medline (Ovid)
1Abortion, Induced/ or (induced adj abortion).kw,ti. or Abortion, Induced/ co [Complications]
2Mortality/
3Hospitalization/
4Emergency Service, Hospital/
5Blood Transfusion/ or Blood Component Transfusion/
6Infection/
7Antibiotic Prophylaxis/
8Postoperative Complications/ or Pain/
9(mortality or hospitalization or emergency room or transfusion or infection or antibiotics or surgery or pain or complications).kw.
10or/2–9
111 and 10
12Abortion, Spontaneous/ or (spontaneous adj abortion).kw.
1311 not 12
14Animals/ or (animal or animals or mice or mouse or rat or rats).kw.
1513 not 14
1615
17limit 16 to yr=“2012–Current”
18limit 17 to (comment or editorial or guideline or letter or news)
19limit 17 to (case reports or classical article or clinical study or clinical trial, all or clinical trial, phase i or clinical trial, phase ii or clinical trial, phase iii or clinical trial, phase iv or clinical trial or comparative study or controlled clinical trial or evaluation studies or historical article or journal article or meta analysis or multicenter study or observational study or pragmatic clinical trial or randomized controlled trial or technical report or twin study or validation studies)
2019 not 18
Embase (Ovid)
1induced abortion/ or (induced adj abortion).ti,kw.
2mortality/
3hospitalization/
4emergency ward/
5emergency health service/
6blood transfusion/
7intrauterine infection/ or infection/
8pain/
9pain/co [Complication]
10antibiotic agent/
11postoperative complication/
12(mortality or hospitalization or emergency room or transfusion or infection or antibiotics or surgery or pain or complications).kw.
13or/2–12
141 and 13
15spontaneous abortion/
16(spontaneous adj abortion).kw.
17or/15–16
1814 not 17
Suggested Citation: "Appendix D: Literature Search Strategy." National Academies of Sciences, Engineering, and Medicine. 2018. The Safety and Quality of Abortion Care in the United States. Washington, DC: The National Academies Press. doi: 10.17226/24950.
19animal/
20(animal or animals or mice or mouse or rat or rats).kw.
21or/19–20
2218 not 21
2322
24limit 23 to yr=“2012–Current”
25limit 24 to (editorial or letter or note)
26limit 24 to (article or conference abstract or conference paper or conference proceeding or “conference review” or journal or report or short survey or trade journal)
2726 not 25

PubMed:

(“Abortion, Induced/adverse effects”[Mesh] OR “Abortion, Induced/ complications”[Mesh])

Limit: 2012–Current

(“Abortion, Induced”[Mesh] OR abortion[Title/Textword]) AND (complications [Title/ Textword] OR “Postoperative Complications”[Mesh])

Limit: 2015–Current

DISPARITIES

Systematic Reviews and Primary Literature

Search Strategy: Disparities

Date: 2000–Present

Countries: United States and International

Population: Human

Document Types: Primary Literature, Editorials, Systematic Reviews, Meta-Analysis

Databases Searched: Medline, Embase, PubMed, and Scopus

Search No.Search Syntax
Medline (Ovid)
1Abortion, Induced/ or (induced adj abortion).kw,ti.
2Abortion, Spontaneous/
3(spontaneous adj abortion).kw.
4or/2–3
51 not 4
6Health Services Accessibility/
7Health Status Disparities/ or Socioeconomic Factors/ or Healthcare Disparities/
8disparit*.kw,ti.
9(geographic adj variation).ti,kw.
10Poverty Areas/ or Poverty/
11poverty.ti,kw.
12Continental Population Groups/
13Ethnic Groups/
14(race or ethnicity).kw,ti.
15Gender Identity/
16gender.kw,ti.
Suggested Citation: "Appendix D: Literature Search Strategy." National Academies of Sciences, Engineering, and Medicine. 2018. The Safety and Quality of Abortion Care in the United States. Washington, DC: The National Academies Press. doi: 10.17226/24950.
17disability.ti,kw.
18Rural Health/ or Rural Health Services/
19Urban Health/ or Urban Health Services/
20(urban or rural).ti,kw.
21or/6–20
225 and 21
2322
24limit 23 to yr=“2000–Current”
25United States/
26United States.ti,kw.
27or/25–26
2824 and 27
29limit 28 to (comment or editorial or guideline or letter or news)
3028 not 29
31Texas/
32texas.kw,ti.
33or/31–32
3424 and 33
3524 not (28 or 34)
36limit 35 to (comment or editorial or guideline or letter or news)
3735 not 36
Embase (Ovid)
1induced abortion/ or (induced adj abortion).ti,kw.
2spontaneous abortion/
3(spontaneous adj abortion).ti,kw.
4or/2–3
51 not 4
6health disparity/
7health care disparity/
8social status/
9disparit*.kw,ti.
10(geographic adj variation).ti,kw.
11poverty/
12poverty.ti,kw.
13race difference/ or race/
14ethnic group/ or ethnicity/ or “ethnic or racial aspects”/
15(race or ethnicity).kw,ti.
16gender identity/
17gender.kw,ti.
18disability/
19disability.ti,kw.
20rural area/ or urban area/ or urban rural difference/ or urban population/ or rural population/
21(urban or rural).ti,kw.
22or/6–21
235 and 22
2423
25limit 24 to yr=“2000–Current”
26United States/
27united states.ti,kw.
28or/26–27
Suggested Citation: "Appendix D: Literature Search Strategy." National Academies of Sciences, Engineering, and Medicine. 2018. The Safety and Quality of Abortion Care in the United States. Washington, DC: The National Academies Press. doi: 10.17226/24950.
2925 and 28
30limit 29 to (editorial or letter or note)
3129 not 30
32limit 25 to (editorial or letter or note)
3332 not 30
3425 not 31

Scopus:

Title, Abstract, Keyword searches from 2000–Present:

“abortion disparities”

“induced abortion” AND (“geographic variation” OR “urban” OR “rural”)

“induced abortion” AND (inequality OR inequalities)

“induced abortion” AND delay

“induced abortion” AND “socioeconomic status”

“abortion” AND “health disparities”

PubMed:

(“Abortion, Induced”[Mesh] OR “induced abortion”[tw]) AND (“Health Status Disparities”[Mesh] AND “Healthcare Disparities”[Mesh] OR “disparity”[tw] OR “disparities”[tw])

LONG-TERM HEALTH EFFECTS

Systematic Reviews and Primary Literature

Search Strategy: Long-Term Health Effects

Date: 1970–Present

Countries: United States and International

Population: Human

Document Types: Primary Literature, Editorials, Systematic Reviews, Meta-Analysis

Databases Searched: Medline, Embase, and PubMed

Search No. Search Syntax
Embase and Medline (Ovid)
1Birth Weight/
2Breast Neoplasms/
3Fetal Death/
4Fetal Membranes, Premature Rupture/
5Infant, Low Birth Weight/
6Infant, Newborn/co [Complications]
7Infant, Premature/
8Infant, Small for Gestational Age/
9Infant, Very Low Birth Weight/
10Infertility, Female/co [Complications]
11Obstetric Labor Complications/et [Etiology]
12Obstetric Labor, Premature/
13Placenta Previa/et [Etiology]
14[Placenta/ab [Abnormalities]]
15Pre-Eclampsia/co [Complications]
16Pregnancy Complications/
17Pregnancy Outcome/
Suggested Citation: "Appendix D: Literature Search Strategy." National Academies of Sciences, Engineering, and Medicine. 2018. The Safety and Quality of Abortion Care in the United States. Washington, DC: The National Academies Press. doi: 10.17226/24950.
18Pregnancy, Ectopic/
19Pregnancy, High-Risk/
20Pregnancy, Prolonged/
21Premature Birth/
22Uterine Cervical Incompetence/co [Complications]
23Uterine Hemorrhage/co [Complications]
24*Abortion, Induced/
25(induced adj abortion).ti,kw.
2624 or 25
27Animals/
28(animal or animals or mice or mouse or rat or rats).ti,kw.
29or/27–28
30(infertility or “cancer risk” or “intrauterine growth” or “future pregnancy” or “fetal growth” or “preterm birth” or premature or “ectopic pregnancy”) ti,kw.
31or/1–23
3230 or 31
3326 and 32
3433 not 29
3534
36limit 35 to yr=“1970–Current”
37limit 36 to (meta analysis or “systematic review”)
38limit 36 to (editorial or note)
3936 not (37 or 38)

PubMed:

((“Abortion, Induced/adverse effects”[Majr] OR abortion [title]) NOT spontaneous [title]) AND (Birth Weight [Mesh] OR Breast Neoplasms [Mesh] OR Fetal Death [Mesh] OR Fetal Membranes, Premature Rupture [Mesh] OR Infant, Low Birth Weight [Mesh] OR Infant, Newborn [Mesh] OR Infant, Premature [Mesh] OR Infant, Small for Gestational Age [Mesh] OR Infant, Very Low Birth Weight [Mesh] OR Infertility, Female/complications [Mesh] OR Obstetric Labor Complications/ etiology*[Mesh] OR Obstetric Labor, Premature [Mesh] OR Placenta Previa/etiology [Mesh] OR Placenta/abnormalities [Mesh] OR Pre-Eclampsia/complications [Mesh] OR Pregnancy Complications [Mesh] OR Pregnancy Outcome[Mesh] OR Pregnancy, Ectopic[Mesh] OR Pregnancy, High-Risk[Mesh] OR Pregnancy, Prolonged[Mesh] OR Premature Birth[Mesh] OR Uterine Cervical Incompetence/complications[Mesh] OR Uterine Hemorrhage/etiology[Mesh])

Limit: 1970–Present

Limit: Humans

DELAYS

Systematic Reviews and Primary Literature

Search Strategy: Delays

Date: 2005–Present

Countries: United States and International

Population: Human

Document Types: Primary Literature, Editorials, Systematic Reviews, Meta-Analysis

Databases Searched: Medline, Embase, and PubMed

Suggested Citation: "Appendix D: Literature Search Strategy." National Academies of Sciences, Engineering, and Medicine. 2018. The Safety and Quality of Abortion Care in the United States. Washington, DC: The National Academies Press. doi: 10.17226/24950.
Search No.Search Syntax
Medline (Ovid)
1Abortion, Induced/ or (induced adj abortion).ab,ti.
2Animals/
3(animal or animals or mice or mouse or rat or rats).ti,ab.
4or/2–3
5Abortion, Spontaneous/
6(spontaneous adj abortion).ti,ab.
7or/5–6
81 not 4
98 not 7
10Health Services Accessibility/
11Health Facility Closure/
12Time Factors/
13Supreme Court Decisions/
14Texas/
15Waiting Lists/
16“waiting periods”.ti,ab.
17“financial issues”.ti,ab.
18“nearest facility”.ti,ab.
19“clinic closure”.ti,ab.
20(distance or restriction or delay or barrier).ti,ab.
21or/10–20
229 and 21
2322
24limit 23 to yr=“2005–Current”
25limit 24 to (meta analysis or “review” or systematic reviews)
26limit 24 to (comment or editorial or letter)
2724 not (25 or 26)
Search No. Search Syntax
Embase (Ovid)
1*Abortion, Induced/
2(induced adj abortion).ti,ab.
31 or 2
4Animals/
5(animal or animals or mice or mouse or rat or rats).ti,ab.
6or/4–5
7spontaneous abortion/
8(spontaneous adj abortion).ti,ab.
9or/7–8
103 not 6
1110 not 9
12health care delivery/
13health care facility/
14time factor/
15Texas/
16hospital admission/
17“waiting list”.ti,ab.
18“waiting period”.ti,ab.
19“financial issues”.ti,ab.
Suggested Citation: "Appendix D: Literature Search Strategy." National Academies of Sciences, Engineering, and Medicine. 2018. The Safety and Quality of Abortion Care in the United States. Washington, DC: The National Academies Press. doi: 10.17226/24950.
20“nearest facility”.ti,ab.
21“clinic closure”.ti,ab.
22“supreme court decision”.ti,ab.
23(distance or restriction or delay or barrier).ti,ab.
24or/12–23
2511 and 24
2625
27limit 26 to yr=“2005–Current”
28limit 27 to (meta analysis or “systematic review”)
29limit 27 to (editorial or letter or note)
3027 not (28 or 29)

PubMed:

(“Abortion, Induced”[Mesh] OR “abortion”[tw]) AND (“waiting period” OR “waiting list” OR “financial issue” OR “nearest facility” OR “clinic closure” OR “Supreme Court decision” OR distance* OR restriction* OR delay* or barrier*) NOT (spontaneous)

Limit: 2005–Current

Database Searched and Time Period Covered:

PubMed: 1/1/2000–4/5/2017

Language:

English

Search Strategy:

“Abortion, Induced”[Mesh] OR abortion, legal[mh] OR abortion*[tiab] OR abortion*[ot]

AND

time factors[mh] OR wait OR waiting OR ban OR bans OR banned OR banning OR barrier* OR deterrent* OR deter OR deterring OR deters OR deterred OR requirement* OR restrict* OR consent* OR difficulty OR difficulties OR limitation* OR confidential* OR privacy OR delay* OR travel* OR distance*

AND

experienc* OR perception* OR perceiv* OR implication* OR impact* OR perspective* OR influen* OR knowledge OR consequence*

AND

AL[Affiliation] OR AK[Affiliation] OR AZ[Affiliation] OR AR[Affiliation] OR

CA[Affiliation] OR CO[Affiliation] OR CT[Affiliation] OR DE[Affiliation] OR

FL[Affiliation] OR GA[Affiliation] OR HI[Affiliation] OR ID[Affiliation] OR

IL[Affiliation] OR IN[Affiliation] OR IA[Affiliation] OR KS[Affiliation] OR

KY[Affiliation] OR LA[Affiliation] OR ME[Affiliation] OR MD[Affiliation] OR

MA[Affiliation] OR MI[Affiliation] OR MN[Affiliation] OR MS[Affiliation] OR

MO[Affiliation] OR MT[Affiliation] OR NE[Affiliation] OR NV[Affiliation] OR

NH[Affiliation] OR NJ[Affiliation] OR NM[Affiliation] OR NY[Affiliation] OR

NC[Affiliation] OR ND[Affiliation] OR OH[Affiliation] OR OK[Affiliation] OR

OR[Affiliation] OR PA[Affiliation] OR RI[Affiliation] OR SC[Affiliation] OR

SD[Affiliation] OR TN[Affiliation] OR TX[Affiliation] OR UT[Affiliation] OR

VT[Affiliation] OR VA[Affiliation] OR WA[Affiliation] OR WV[Affiliation] OR

WI[Affiliation] OR WY[Affiliation] OR USA[AFFILIATION] OR (Alabama[Affiliation]

OR Alaska[Affiliation] OR Arizona[Affiliation] OR Arkansas[Affiliation] OR

California[Affiliation] OR Colorado[Affiliation] OR Connecticut[Affiliation]

Suggested Citation: "Appendix D: Literature Search Strategy." National Academies of Sciences, Engineering, and Medicine. 2018. The Safety and Quality of Abortion Care in the United States. Washington, DC: The National Academies Press. doi: 10.17226/24950.

OR Delaware[Affiliation] OR Florida[Affiliation] OR Georgia[Affiliation]

OR Hawaii[Affiliation] OR Idaho[Affiliation] OR Illinois[Affiliation]

OR Indiana[Affiliation] OR Iowa[Affiliation] OR Kansas[Affiliation] OR

Kentucky[Affiliation] OR Louisiana[Affiliation] OR Maine[Affiliation] OR

Maryland[Affiliation] OR Massachusetts[Affiliation] OR Michigan[Affiliation] OR

Minnesota[Affiliation] OR Mississippi[Affiliation] OR Missouri[Affiliation] OR

Montana[Affiliation] OR Nebraska[Affiliation] OR Nevada[Affiliation] OR New

Hampshire[Affiliation] OR New Jersey[Affiliation] OR New Mexico[Affiliation] OR

New York[Affiliation] OR North Carolina[Affiliation] OR North Dakota[Affiliation]

OR Ohio[Affiliation] OR Oklahoma[Affiliation] OR Oregon[Affiliation] OR

Pennsylvania[Affiliation] OR Rhode Island[Affiliation] OR South Carolina[Affiliation]

OR South Dakota[Affiliation] OR Tennessee[Affiliation] OR Texas[Affiliation]

OR Utah[Affiliation] OR Vermont[Affiliation] OR Virginia[Affiliation] OR

Washington[Affiliation] OR West Virginia[Affiliation] OR Wisconsin[Affiliation] OR

Wyoming[Affiliation] OR united states[Affiliation]

Database Searched and Time Period Covered:

Web of Science: 1/1/2000–4/5/2017

Language:

English

Search Strategy: (Note: “TS” = Topic Search)

ts= (abortion*)

AND

ts=(time OR times OR wait OR waiting OR ban OR bans OR banned OR banning

OR barrier* OR deterrent* OR deter OR deterring OR deters OR deterred OR

requirement* OR restrict* OR consent* OR difficulty OR difficulties OR limitation*

OR confidential* OR privacy OR delay* OR travel* OR distance*)

AND

ts=(experienc* OR perception* OR perceiv* OR implication* OR impact* OR

perspective* OR influen* OR knowledge OR consequence*)

AND

COUNTRIES/TERRITORIES: (USA)

NOT

RESEARCH AREAS: (DEVELOPMENTAL BIOLOGY OR MICROBIOLOGY OR EVOLUTIONARY BIOLOGY OR CELL BIOLOGY OR MARINE FRESHWATER BIOLOGY OR FORESTRY OR FOOD SCIENCE TECHNOLOGY OR ENTOMOLOGY OR ENGINEERING OR ENVIRONMENTAL SCIENCES ECOLOGY OR ACOUSTICS OR VETERINARY SCIENCES OR WATER RESOURCES OR TROPICAL MEDICINE OR TRANSPLANTATION OR PLANT SCIENCES OR BIODIVERSITY CONSERVATION OR SPORT SCIENCES OR RHEUMATOLOGY OR ZOOLOGY OR PHYSIOLOGY OR MEDICAL LABORATORY TECHNOLOGY OR AGRICULTURE OR DERMATOLOGY OR PARASITOLOGY OR ALLERGY)

NOT

WEB OF SCIENCE CATEGORIES: (ENDOCRINOLOGY METABOLISM OR GASTROENTEROLOGY HEPATOLOGY OR VIROLOGY OR PERIPHERAL VASCULAR DISEASE OR ONCOLOGY OR CARDIAC CARDIOVASCULAR SYSTEMS OR BIOCHEMICAL RESEARCH METHODS OR ANESTHESIOLOGY OR UROLOGY NEPHROLOGY OR HEMATOLOGY OR RADIOLOGY NUCLEAR MEDICINE MEDICAL IMAGING OR IMMUNOLOGY OR BIOTECHNOLOGY

Suggested Citation: "Appendix D: Literature Search Strategy." National Academies of Sciences, Engineering, and Medicine. 2018. The Safety and Quality of Abortion Care in the United States. Washington, DC: The National Academies Press. doi: 10.17226/24950.

APPLIED MICROBIOLOGY OR GENETICS HEREDITY OR COMPUTER SCIENCE SOFTWARE ENGINEERING OR COMPUTER SCIENCE INTERDISCIPLINARY APPLICATIONS OR COMPUTER SCIENCE INFORMATION SYSTEMS OR BIOCHEMISTRY MOLECULAR BIOLOGY)

Database Searched and Time Period Covered:

Embase: 1/1/2000–5/10/2017

Language:

English

Search Strategy:

“induced abortion”/exp OR abortion*:ab OR abortion*:ti

AND

ban:ti OR bans:ab OR bans:ti OR banned:ab OR banned:ti OR banning:ab OR

banning:ti OR barrier*:ab OR barrier*:ti OR deter*:ab OR deter*:ti OR requir*:ab

OR requir*:ti OR restrict*:ab OR restrict:ti OR consent*:ab OR consent*:ti OR

difficult*:ab OR difficult*:ti OR limitation*:ab OR limitation*:ti OR confidential*:ab

OR confidential*:ti OR privacy:ab OR privacy:ti OR distance*:ab OR distance*:ti OR

travel*:ab OR travel*:ti OR ‘time factor’/exp OR time:ab OR time:ti OR delay*:ab

OR delay*:ti OR wait*:ab OR wait*:ti

AND

experienc*:ab OR experience*:ti OR perception*:ab OR perception*:ti OR

perceiv*:ab OR perceiv*:ti OR implication*:ab OR implication*:ti OR impact*:ab OR

impact*:ti OR perspective*:ab OR perspective*:ti OR influen*:ab OR influen*:ti OR

knowledge:ab OR knowledge:ti OR consequence*:ab OR consequence*:ti

AND

[humans]/lim

CANCER

Systematic Reviews and Primary Literature

Search Strategy: Cancer

Date: 2007–Present

Countries: United States and International

Population: Human

Document Types: Primary Literature, Editorials, Systematic Reviews, Meta-Analysis

Databases Searched: Medline, Embase, Cochrane, and PubMed

Search No. Search Syntax
Medline (Ovid)
1Abortion, Induced/ or (induced adj abortion).ti,ab,kw.
2abortion.ti,ab,kw.
3(reproductive adj factors).ti,ab,kw.
4(reproductive adj events).ti,ab,kw.
5or/1–4
6Neoplasms/ep [Epidemiology]
7Neoplasms/
8cancer.ti,ab,kw.
Suggested Citation: "Appendix D: Literature Search Strategy." National Academies of Sciences, Engineering, and Medicine. 2018. The Safety and Quality of Abortion Care in the United States. Washington, DC: The National Academies Press. doi: 10.17226/24950.
9or/6–8
105 and 9
11Animals/ or (animal or animals or mice or mouse or rat or rats).kw.
1210 not 11
1312
14limit 13 to yr=“2007–Current”
15limit 14 to (meta analysis or “review” or systematic reviews)
16limit 14 to (comment or editorial or letter)
1714 not (15 or 16)
Embase (Ovid)
1induced abortion/
2(induced adj abortion).ti,ab,kw.
3abortion.ti,ab,kw.
4(reproductive adj factors).ti,ab,kw.
5(reproductive adj events).ti,ab,kw.
6or/1–4
7malignant neoplasm/ep [Epidemiology]
8malignant neoplasm/
9cancer.ti,ab,kw.
10or/7–9
116 and 10
12Animals/ or (animal or animals or mice or mouse or rat or rats).kw.
1311 not 12
1413
15limit 14 to yr=“2007–Current”
16limit 15 to (meta analysis or “systematic review”)
17limit 15 to (editorial or erratum or letter or note)
1815 not (16 or 17)
Cochrane Database of Systematic Reviews (Ovid)
1abortion.ti,ab,kw.
2(reproductive adj events).ti,ab,kw.
3(reproductive adj factors).ti,ab,kw.
4cancer.ti,ab,kw.
51 and 4

PubMed:

(“Abortion, Induced”[Mesh] OR abortion[Title/Abstract] OR “reproductive events”[Title/Abstract] OR “reproductive factors”[Title/Abstract] OR abortion[tw] OR “reproductive events”[tw] OR “reproductive factors”[tw]) AND (“Neoplasms”[Mesh] OR “Neoplasms/epidemiology”[Mesh] OR cancer[Title/Abstract] OR cancer[tw])

Date: 2007–Present

Limit: Humans

TRAINING

Systematic Reviews and Primary Literature

Database Searched and Time Period Covered:

PubMed: 1/1/2000–2/20/2017

Suggested Citation: "Appendix D: Literature Search Strategy." National Academies of Sciences, Engineering, and Medicine. 2018. The Safety and Quality of Abortion Care in the United States. Washington, DC: The National Academies Press. doi: 10.17226/24950.

Language:

English

Search Strategy:

“Abortion, Induced”[Mesh] OR abortion*[tiab] OR abortion*[ot]

AND

training OR trained OR competen* OR requirement* OR “Patient Safety”[Mesh] OR “Professional Competence”[Mesh] OR safe[tiab] OR safety[tiab] OR unsafe

AND

AL[Affiliation] OR AK[Affiliation] OR AZ[Affiliation] OR AR[Affiliation] OR

CA[Affiliation] OR CO[Affiliation] OR CT[Affiliation] OR DE[Affiliation] OR

FL[Affiliation] OR GA[Affiliation] OR HI[Affiliation] OR ID[Affiliation] OR

IL[Affiliation] OR IN[Affiliation] OR IA[Affiliation] OR KS[Affiliation] OR

KY[Affiliation] OR LA[Affiliation] OR ME[Affiliation] OR MD[Affiliation] OR

MA[Affiliation] OR MI[Affiliation] OR MN[Affiliation] OR MS[Affiliation] OR

MO[Affiliation] OR MT[Affiliation] OR NE[Affiliation] OR NV[Affiliation] OR

NH[Affiliation] OR NJ[Affiliation] OR NM[Affiliation] OR NY[Affiliation] OR

NC[Affiliation] OR ND[Affiliation] OR OH[Affiliation] OR OK[Affiliation] OR

OR[Affiliation] OR PA[Affiliation] OR RI[Affiliation] OR SC[Affiliation] OR

SD[Affiliation] OR TN[Affiliation] OR TX[Affiliation] OR UT[Affiliation] OR

VT[Affiliation] OR VA[Affiliation] OR WA[Affiliation] OR WV[Affiliation] OR

WI[Affiliation] OR WY[Affiliation] OR USA[AFFILIATION] OR (Alabama[Affiliation]

OR Alaska[Affiliation] OR Arizona[Affiliation] OR Arkansas[Affiliation] OR

California[Affiliation] OR Colorado[Affiliation] OR Connecticut[Affiliation]

OR Delaware[Affiliation] OR Florida[Affiliation] OR Georgia[Affiliation]

OR Hawaii[Affiliation] OR Idaho[Affiliation] OR Illinois[Affiliation]

OR Indiana[Affiliation] OR Iowa[Affiliation] OR Kansas[Affiliation] OR

Kentucky[Affiliation] OR Louisiana[Affiliation] OR Maine[Affiliation] OR

Maryland[Affiliation] OR Massachusetts[Affiliation] OR Michigan[Affiliation] OR

Minnesota[Affiliation] OR Mississippi[Affiliation] OR Missouri[Affiliation] OR

Montana[Affiliation] OR Nebraska[Affiliation] OR Nevada[Affiliation] OR New

Hampshire[Affiliation] OR New Jersey[Affiliation] OR New Mexico[Affiliation] OR

New York[Affiliation] OR North Carolina[Affiliation] OR North Dakota[Affiliation]

OR Ohio[Affiliation] OR Oklahoma[Affiliation] OR Oregon[Affiliation] OR

Pennsylvania[Affiliation] OR Rhode Island[Affiliation] OR South Carolina[Affiliation]

OR South Dakota[Affiliation] OR Tennessee[Affiliation] OR Texas[Affiliation]

OR Utah[Affiliation] OR Vermont[Affiliation] OR Virginia[Affiliation] OR

Washington[Affiliation] OR West Virginia[Affiliation] OR Wisconsin[Affiliation] OR

Wyoming[Affiliation] OR united states[Affiliation])

Database Searched and Time Period Covered:

CINAHL: 1/1/2000–1/30/2017

Language:

English

Search Strategy:

MH “Abortion, Induced+”) OR abortion*

AND

TI (training OR trained OR competen* OR requirement*) OR AB (training OR trained OR competen* OR requirement*) OR MW (training OR trained OR competen* OR requirement*)

Suggested Citation: "Appendix D: Literature Search Strategy." National Academies of Sciences, Engineering, and Medicine. 2018. The Safety and Quality of Abortion Care in the United States. Washington, DC: The National Academies Press. doi: 10.17226/24950.

Database Searched and Time Period Covered:

Cochrane: 1/1/2000–1/30/2017

Language:

English

Search Strategy:

MeSH descriptor: [Abortion, Induced] explode all trees OR abortion:ti,ab,kw (Word variations have been searched)

AND

training or trained or competen* or requirement*:ti,ab,kw (Word variations have been searched)

Suggested Citation: "Appendix D: Literature Search Strategy." National Academies of Sciences, Engineering, and Medicine. 2018. The Safety and Quality of Abortion Care in the United States. Washington, DC: The National Academies Press. doi: 10.17226/24950.
Page 187
Suggested Citation: "Appendix D: Literature Search Strategy." National Academies of Sciences, Engineering, and Medicine. 2018. The Safety and Quality of Abortion Care in the United States. Washington, DC: The National Academies Press. doi: 10.17226/24950.
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Suggested Citation: "Appendix D: Literature Search Strategy." National Academies of Sciences, Engineering, and Medicine. 2018. The Safety and Quality of Abortion Care in the United States. Washington, DC: The National Academies Press. doi: 10.17226/24950.
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Suggested Citation: "Appendix D: Literature Search Strategy." National Academies of Sciences, Engineering, and Medicine. 2018. The Safety and Quality of Abortion Care in the United States. Washington, DC: The National Academies Press. doi: 10.17226/24950.
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Suggested Citation: "Appendix D: Literature Search Strategy." National Academies of Sciences, Engineering, and Medicine. 2018. The Safety and Quality of Abortion Care in the United States. Washington, DC: The National Academies Press. doi: 10.17226/24950.
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Suggested Citation: "Appendix D: Literature Search Strategy." National Academies of Sciences, Engineering, and Medicine. 2018. The Safety and Quality of Abortion Care in the United States. Washington, DC: The National Academies Press. doi: 10.17226/24950.
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Suggested Citation: "Appendix D: Literature Search Strategy." National Academies of Sciences, Engineering, and Medicine. 2018. The Safety and Quality of Abortion Care in the United States. Washington, DC: The National Academies Press. doi: 10.17226/24950.
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Suggested Citation: "Appendix D: Literature Search Strategy." National Academies of Sciences, Engineering, and Medicine. 2018. The Safety and Quality of Abortion Care in the United States. Washington, DC: The National Academies Press. doi: 10.17226/24950.
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Suggested Citation: "Appendix D: Literature Search Strategy." National Academies of Sciences, Engineering, and Medicine. 2018. The Safety and Quality of Abortion Care in the United States. Washington, DC: The National Academies Press. doi: 10.17226/24950.
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Suggested Citation: "Appendix D: Literature Search Strategy." National Academies of Sciences, Engineering, and Medicine. 2018. The Safety and Quality of Abortion Care in the United States. Washington, DC: The National Academies Press. doi: 10.17226/24950.
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Suggested Citation: "Appendix D: Literature Search Strategy." National Academies of Sciences, Engineering, and Medicine. 2018. The Safety and Quality of Abortion Care in the United States. Washington, DC: The National Academies Press. doi: 10.17226/24950.
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Suggested Citation: "Appendix D: Literature Search Strategy." National Academies of Sciences, Engineering, and Medicine. 2018. The Safety and Quality of Abortion Care in the United States. Washington, DC: The National Academies Press. doi: 10.17226/24950.
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Suggested Citation: "Appendix D: Literature Search Strategy." National Academies of Sciences, Engineering, and Medicine. 2018. The Safety and Quality of Abortion Care in the United States. Washington, DC: The National Academies Press. doi: 10.17226/24950.
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Suggested Citation: "Appendix D: Literature Search Strategy." National Academies of Sciences, Engineering, and Medicine. 2018. The Safety and Quality of Abortion Care in the United States. Washington, DC: The National Academies Press. doi: 10.17226/24950.
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Suggested Citation: "Appendix D: Literature Search Strategy." National Academies of Sciences, Engineering, and Medicine. 2018. The Safety and Quality of Abortion Care in the United States. Washington, DC: The National Academies Press. doi: 10.17226/24950.
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Suggested Citation: "Appendix D: Literature Search Strategy." National Academies of Sciences, Engineering, and Medicine. 2018. The Safety and Quality of Abortion Care in the United States. Washington, DC: The National Academies Press. doi: 10.17226/24950.
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Suggested Citation: "Appendix D: Literature Search Strategy." National Academies of Sciences, Engineering, and Medicine. 2018. The Safety and Quality of Abortion Care in the United States. Washington, DC: The National Academies Press. doi: 10.17226/24950.
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Suggested Citation: "Appendix D: Literature Search Strategy." National Academies of Sciences, Engineering, and Medicine. 2018. The Safety and Quality of Abortion Care in the United States. Washington, DC: The National Academies Press. doi: 10.17226/24950.
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Suggested Citation: "Appendix D: Literature Search Strategy." National Academies of Sciences, Engineering, and Medicine. 2018. The Safety and Quality of Abortion Care in the United States. Washington, DC: The National Academies Press. doi: 10.17226/24950.
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Suggested Citation: "Appendix D: Literature Search Strategy." National Academies of Sciences, Engineering, and Medicine. 2018. The Safety and Quality of Abortion Care in the United States. Washington, DC: The National Academies Press. doi: 10.17226/24950.
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Suggested Citation: "Appendix D: Literature Search Strategy." National Academies of Sciences, Engineering, and Medicine. 2018. The Safety and Quality of Abortion Care in the United States. Washington, DC: The National Academies Press. doi: 10.17226/24950.
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Suggested Citation: "Appendix D: Literature Search Strategy." National Academies of Sciences, Engineering, and Medicine. 2018. The Safety and Quality of Abortion Care in the United States. Washington, DC: The National Academies Press. doi: 10.17226/24950.
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