title: Postoperative analgesia and lung function: a comparison of morphine with extradural block. 1971.
authors.forename: A A
authors.initials: AA
authors.lastname: Spence
authors.forename: G
authors.initials: G
authors.lastname: Smith
mesh_terms: D000698:Analgesia / Q000009:adverse effects / Q000266:history*; D015360:Analgesia, Epidural / Q000266:history; D000701:Analgesics, Opioid / Q000009:adverse effects / Q000266:history; D002045:Bupivacaine / Q000009:adverse effects / Q000266:history; D049673:History, 20th Century; D006801:Humans; D009020:Morphine / Q000009:adverse effects / Q000266:history; D010149:Postoperative Pain / Q000188:drug therapy / Q000266:history*; D012120:Respiration Disorders / Q000209:etiology / Q000266:history*
chemical_list: D000701:Analgesics, Opioid; D009020:Morphine; D002045:Bupivacaine