title: Amitriptyline levels and clinical effects.
mesh_terms: D000328:Adult; D000639:Amitriptyline / Q000097:blood* / Q000627:therapeutic use; D003866:Depressive Disorder / Q000188:drug therapy*; D006801:Humans; D008875:Middle Aged; D011569:Psychiatric Status Rating Scales
chemical_list: D000639:Amitriptyline