title: Serum 5-hydroxytryptamine level in manic-depressive illness.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001714:Bipolar Disorder / Q000097:blood*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012701:Serotonin / Q000097:blood*
chemical_list: D012701:Serotonin