Tryptophan-Niacin relationship in the developing chick embryo.
D047108:Embryonic Development; D009525:Niacin / Q000031:analogs & derivatives; D009539:Nicotinic Acids; D014364:Tryptophan
D009539:Nicotinic Acids; D009525:Niacin; D014364:Tryptophan
NICOTINIC ACID/derivatives; TRYPTOPHAN