title: Amitriptyline and perphenazine in chronic pain.
mesh_terms: D000639:Amitriptyline / Q000627:therapeutic use*; D014150:Antipsychotic Agents / Q000627:therapeutic use*; D004359:Drug Therapy, Combination; D006801:Humans; D010148:Intractable Pain / Q000188:drug therapy*; D010640:Phenothiazines
chemical_list: D014150:Antipsychotic Agents; D010640:Phenothiazines; D000639:Amitriptyline