Vitamin A Supplementation: Methodologies for Field Trials (1987)

Chapter: Appendix E: Statement Concerning Need for Controlled Studies

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Suggested Citation: "Appendix E: Statement Concerning Need for Controlled Studies." National Research Council. 1987. Vitamin A Supplementation: Methodologies for Field Trials. Washington, DC: The National Academies Press. doi: 10.17226/18898.
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Page 90 Cite Bookmark
Suggested Citation: "Appendix E: Statement Concerning Need for Controlled Studies." National Research Council. 1987. Vitamin A Supplementation: Methodologies for Field Trials. Washington, DC: The National Academies Press. doi: 10.17226/18898.
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Page 91 Cite Bookmark
Suggested Citation: "Appendix E: Statement Concerning Need for Controlled Studies." National Research Council. 1987. Vitamin A Supplementation: Methodologies for Field Trials. Washington, DC: The National Academies Press. doi: 10.17226/18898.
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Page 91
Page 92 Cite Bookmark
Suggested Citation: "Appendix E: Statement Concerning Need for Controlled Studies." National Research Council. 1987. Vitamin A Supplementation: Methodologies for Field Trials. Washington, DC: The National Academies Press. doi: 10.17226/18898.
Save
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Page 92
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