title: On the relationships tryptophan-nicotinic acid; nicotinic avitaminosis determined by vitamin K3, in a microorganism.
authors.forename: W H
authors.initials: WH
authors.lastname: SCHOPFER
authors.forename: M L
authors.initials: ML
authors.lastname: BOSS
mesh_terms: D000933:Antifibrinolytic Agents; D006801:Humans; D009285:Naphthoquinones; D009525:Niacin; D009539:Nicotinic Acids; D012176:Retinoids; D014812:Vitamin K
chemical_list: D000933:Antifibrinolytic Agents; D009285:Naphthoquinones; D009539:Nicotinic Acids; D012176:Retinoids; D014812:Vitamin K; D009525:Niacin