title: Vitamins: essential dietary constituents discovered.
mesh_terms: D001205:Ascorbic Acid; D001602:Beriberi; D003625:Data Collection; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D010383:Pellagra; D012256:Riboflavin; D012279:Rickets; D013831:Thiamine; D014801:Vitamin A; D014807:Vitamin D; D014810:Vitamin E; D014815:Vitamins / Q000266:history*; D014985:Xerophthalmia
chemical_list: D014815:Vitamins; D014801:Vitamin A; D014807:Vitamin D; D014810:Vitamin E; D001205:Ascorbic Acid; D012256:Riboflavin; D013831:Thiamine