Dietary reference intakesj for thiamin, riboflavin, niacin, vitamin B6, folate, vitamin B12, pantothenic acid, biotin, and choline /
a report o the Standin Committee on the Scientific Evaluation of Dietary Reference Intakes and its Panel on Folate, other B Vitamins, and Choline
- Washington : National Academy Sciences, 2000.
- xxii, 564 p.