DOI:
10.1055/s-00000020
Geburtshilfe und Frauenheilkunde
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References
Institute of Medicine (US) Standing Committee on the Scientific Evaluation of Dietary Reference Intakes and its Panel on Folate OBV, and Choline.
Dietary Reference Intakes for Thiamin, Riboflavin, Niacin, Vitamin B6, Folate, Vitamin B12, Pantothenic Acid, Biotin, and Choline.
Washington (DC): National Academies Press (US) National Academy of Sciences; 1998
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