Quantitative aspects of the nicotinic acid-tryptophan interrelationship in the chick.
D000818:Animals; D002645:Chickens; D009525:Niacin / Q000494:pharmacology*; D009539:Nicotinic Acids; D014364:Tryptophan / Q000494:pharmacology*
D009539:Nicotinic Acids; D009525:Niacin; D014364:Tryptophan
NICOTINIC ACID/effects; TRYPTOPHAN/effects