title: The biological importance of vitamins.
authors.forename: M
authors.initials: M
authors.lastname: GUGGENHEIM
mesh_terms: D006801:Humans; D014801:Vitamin A; D014812:Vitamin K; D014815:Vitamins
chemical_list: D014815:Vitamins; D014801:Vitamin A; D014812:Vitamin K
keywords: VITAMINS/biological aspects
vernacular_title: Die biologische Bedeutung der Vitamine.