title: Plasma-nortriptyline levels in endogenous depression.
mesh_terms: D002986:Clinical Trials as Topic; D003863:Depression / Q000188:drug therapy*; D005069:Evaluation Studies as Topic; D006801:Humans; D008297:Male; D009661:Nortriptyline / Q000008:administration & dosage / Q000097:blood* / Q000627:therapeutic use; D010919:Placebos
chemical_list: D010919:Placebos; D009661:Nortriptyline