title: Nocturnal serum melatonin in major depressive disorder before and after desmethylimipramine treatment.
mesh_terms: D000328:Adult; D002940:Circadian Rhythm; D003866:Depressive Disorder / Q000097:blood* / Q000188:drug therapy; D003891:Desipramine / Q000627:therapeutic use*; D006801:Humans; D008297:Male; D008550:Melatonin / Q000097:blood*
chemical_list: D008550:Melatonin; D003891:Desipramine