title: Plasma levels of nortriptyline in the treatment of endogenous depression.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002849:Chromatography, Gas; D002986:Clinical Trials as Topic; D003863:Depression / Q000175:diagnosis / Q000188:drug therapy*; D004341:Drug Evaluation; D005260:Female; D006801:Humans; D007406:Interview, Psychological; D008875:Middle Aged; D009661:Nortriptyline / Q000008:administration & dosage / Q000032:analysis / Q000097:blood* / Q000627:therapeutic use; D010919:Placebos; D011569:Psychiatric Status Rating Scales
chemical_list: D010919:Placebos; D009661:Nortriptyline