title: E.V. McCollum: doyen of nutrition science.
mesh_terms: D005504:Food Analysis / Q000266:history; D049672:History, 19th Century; D049673:History, 20th Century; D052756:Nutritional Sciences / Q000266:history*; D014481:United States; D014815:Vitamins / Q000266:history
chemical_list: D014815:Vitamins