Tryptophan metabolism; concerning the mechanism of the mammalian conversion of tryptophan into nicotinic acid.
D000818:Animals; D008322:Mammals; D009525:Niacin; D009539:Nicotinic Acids; D014364:Tryptophan
D009539:Nicotinic Acids; D009525:Niacin; D014364:Tryptophan