title: [Position of quinurenic, xanthurenic and quinolinic acids in the conversion of tryptophan into nicotinic acid].
authors.forename: F
authors.initials: F
authors.lastname: CEDRANGOLO
authors.forename: P
authors.initials: P
authors.lastname: IANNELLA
mesh_terms: D009525:Niacin; D009539:Nicotinic Acids; D011805:Quinolinic Acids; D014364:Tryptophan
chemical_list: D009539:Nicotinic Acids; D011805:Quinolinic Acids; D009525:Niacin; D014364:Tryptophan