A 2000 report on Thiamin, Riboflavin, Niacin, Vitamin B6, Folate, Vitamin B12, Pantothenic Acid, Biotin, and Choline Dietary Reference Intakes. A NAP publication.
Nutrition: Nutrients: Vitamins and Minerals: Dietary Reference Intakes
A 2000 report on Thiamin, Riboflavin, Niacin, Vitamin B6, Folate, Vitamin B12, Pantothenic Acid, Biotin, and Choline Dietary Reference Intakes. A NAP publication.