Nutrition classics. The Journal of Nutrition, Volume 91, 1967: The paths to the discovery of vitamins A and D. By Elmer Verner McCollum.
D000818:Animals; D049673:History, 20th Century; D014801:Vitamin A / Q000266:history*; D014807:Vitamin D / Q000266:history*
D014801:Vitamin A; D014807:Vitamin D