title: Transformation of tryptophan to nicotinic acid investigated with delayed supplementation of tryptophan.
authors.forename: E
authors.initials: E
authors.lastname: GEIGER
authors.forename: E B
authors.initials: EB
authors.lastname: HAGERTY
authors.forename: H D
authors.initials: HD
authors.lastname: GATCHELL
mesh_terms: D019587:Dietary Supplements; D009525:Niacin; D009539:Nicotinic Acids; D014364:Tryptophan
chemical_list: D009539:Nicotinic Acids; D009525:Niacin; D014364:Tryptophan
keywords: NICOTINIC ACID; TRYPTOPHAN