title: Alteration of serotonin metabolism in rats deficient in niacin and tryptophan.
mesh_terms: D000818:Animals; D001923:Brain Chemistry; D003106:Colon / Q000032:analysis; D003677:Deficiency Diseases / Q000378:metabolism*; D004032:Diet; D007421:Intestine, Small / Q000032:analysis; D008297:Male; D009539:Nicotinic Acids / Q000378:metabolism*; D010383:Pellagra / Q000378:metabolism; D051381:Rats; D012701:Serotonin / Q000378:metabolism*; D014364:Tryptophan / Q000378:metabolism*
chemical_list: D009539:Nicotinic Acids; D012701:Serotonin; D014364:Tryptophan