title: Diurnal rhythm in serotonin of blood and pineals of chickens.
mesh_terms: D000818:Animals; D002645:Chickens; D002940:Circadian Rhythm; D005260:Female; D008297:Male; D010870:Pineal Gland / Q000378:metabolism*; D012701:Serotonin / Q000097:blood / Q000378:metabolism*; D012737:Sex Factors
chemical_list: D012701:Serotonin