Interrelation of tryptophan and nicotinic acid in man during the first month of life.
D006801:Humans; D007231:Infant, Newborn / Q000502:physiology; D019369:Life; D009525:Niacin / Q000737:chemistry*; D009539:Nicotinic Acids; D014364:Tryptophan / Q000737:chemistry*
D009539:Nicotinic Acids; D009525:Niacin; D014364:Tryptophan
INFANT, NEWBORN/physiology; NICOTINIC ACID/chemistry; TRYPTOPHAN/chemistry