title: Clinical significance of plasma levels of tricyclic antidepressant drugs in the treatment of depression.
mesh_terms: D000639:Amitriptyline / Q000097:blood* / Q000627:therapeutic use; D003863:Depression / Q000188:drug therapy*; D006801:Humans; D009661:Nortriptyline / Q000097:blood* / Q000627:therapeutic use
chemical_list: D000639:Amitriptyline; D009661:Nortriptyline