title: Letter: Effective dosage of tricyclic antidepressants.
mesh_terms: D000639:Amitriptyline / Q000008:administration & dosage* / Q000097:blood; D003863:Depression / Q000188:drug therapy; D004305:Dose-Response Relationship, Drug; D006801:Humans; D009661:Nortriptyline / Q000008:administration & dosage* / Q000097:blood
chemical_list: D000639:Amitriptyline; D009661:Nortriptyline