title: Synthesis of vitamins by microorganisms of the alimentary tract.
authors.forename: S K
authors.initials: SK
authors.lastname: KON
mesh_terms: D041981:Gastrointestinal Tract; D014801:Vitamin A; D014812:Vitamin K; D014815:Vitamins / Q000378:metabolism*
chemical_list: D014815:Vitamins; D014801:Vitamin A; D014812:Vitamin K