Niacin-tryptophan relationships in the development of pellagra.
D006801:Humans; D009525:Niacin; D009539:Nicotinic Acids; D010383:Pellagra / Q000209:etiology*; D014364:Tryptophan
D009539:Nicotinic Acids; D009525:Niacin; D014364:Tryptophan
NICOTINIC ACID; PELLAGRA/etiology and pathogenesis; TRYPTOPHAN