[Research on the interrelations of tryptophan and nicotinic acid in newborn infants during the first month of life].
D001669:Biochemical Phenomena; D006801:Humans; D007231:Infant, Newborn / Q000378:metabolism; D019369:Life; D009525:Niacin / Q000378:metabolism*; D009539:Nicotinic Acids; D012106:Research; D014364:Tryptophan / Q000378:metabolism*
D009539:Nicotinic Acids; D009525:Niacin; D014364:Tryptophan
INFANT, NEWBORN/metabolism; NICOTINIC ACID/metabolism; TRYPTOPHAN/metabolism