title: Tryptophan metabolism in pigs: relation to synthesis and function of serotonin.
mesh_terms: D000367:Age Factors; D000818:Animals; D004032:Diet; D005260:Female; D005823:Genetics; D008297:Male; D005082:Physical Exertion; D012701:Serotonin / Q000097:blood*; D012737:Sex Factors; D013552:Swine / Q000378:metabolism*; D014364:Tryptophan / Q000097:blood / Q000378:metabolism*
chemical_list: D012701:Serotonin; D014364:Tryptophan