title: A sequential trial comparing two plasma levels of nortriptyline.
mesh_terms: D000328:Adult; D000704:Analysis of Variance; D002986:Clinical Trials as Topic; D003863:Depression / Q000097:blood* / Q000188:drug therapy; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009661:Nortriptyline / Q000008:administration & dosage / Q000097:blood* / Q000627:therapeutic use; D011569:Psychiatric Status Rating Scales
chemical_list: D009661:Nortriptyline