title: The long, rocky road to understanding vitamins.
authors.affiliation: School of Medicine, The Johns Hopkins University, Baltimore, MD, USA.
authors.forename: Richard D
authors.initials: RD
authors.lastname: Semba
mesh_terms: D005060:Europe; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D006920:Hygiene; D009748:Nutrition Disorders / Q000175:diagnosis / Q000453:epidemiology / Q000266:history*; D009747:Nutritional Physiological Phenomena / Q000502:physiology*; D014815:Vitamins / Q000266:history* / Q000502:physiology*
chemical_list: D014815:Vitamins