ELLINGER, P Tryptophan and the biosynthesis of nicotinamide. [electronic resource] - The Biochemical journal 1949 - 276-81 p. digital Publication Type: Journal Article ISSN: 0264-6021 Standard No.: 10.1042/bj0450276 doi Subjects--Topical Terms: NiacinNiacinamideNicotinic AcidsTryptophan