title: Opioids in postoperative pain relief.
authors.forename: G
authors.initials: G
authors.lastname: Lloyd
mesh_terms: D006801:Humans; D009294:Narcotics / Q000145:classification / Q000494:pharmacology / Q000627:therapeutic use*; D010149:Postoperative Pain / Q000188:drug therapy*
chemical_list: D009294:Narcotics