title: The undertreatment of pain.
mesh_terms: D000701:Analgesics, Opioid / Q000627:therapeutic use*; D001291:Attitude of Health Personnel; D006801:Humans; D010146:Pain / Q000188:drug therapy*; D010149:Postoperative Pain / Q000188:drug therapy; D011379:Prognosis
chemical_list: D000701:Analgesics, Opioid