title: Pain relief after thoracotomy.
authors.forename: N P
authors.initials: NP
authors.lastname: Mason
authors.forename: F
authors.initials: F
authors.lastname: Bonnet
mesh_terms: D000701:Analgesics, Opioid / Q000627:therapeutic use; D006801:Humans; D010149:Postoperative Pain / Q000188:drug therapy*; D016032:Randomized Controlled Trials as Topic; D013908:Thoracotomy
chemical_list: D000701:Analgesics, Opioid