title: Trends in pain therapy.
authors.forename: F A
authors.initials: FA
authors.lastname: Chambers
authors.forename: R
authors.initials: R
authors.lastname: MacSullivan
mesh_terms: D000698:Analgesia / Q000379:methods*; D006801:Humans; D010148:Intractable Pain / Q000209:etiology / Q000628:therapy*; D010149:Postoperative Pain / Q000209:etiology / Q000628:therapy*; D010166:Palliative Care / Q000379:methods