title: The effect of routine vs. p.r.n. post-operative analgesia on pulmonary complications: a multicenter trial.
authors.forename: W H
authors.initials: WH
authors.lastname: Barnes
authors.forename: M M
authors.initials: MM
authors.lastname: Pennock
authors.forename: G B
authors.initials: GB
authors.lastname: Browne
authors.forename: W
authors.initials: W
authors.lastname: Taylor
authors.forename: D
authors.initials: D
authors.lastname: Sackett
authors.forename: R
authors.initials: R
authors.lastname: Weir
authors.forename: D
authors.initials: D
authors.lastname: McLoughlin
authors.forename: D
authors.initials: D
authors.lastname: Heritz
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D004334:Drug Administration Schedule; D006801:Humans; D008614:Meperidine / Q000008:administration & dosage / Q000009:adverse effects*; D008875:Middle Aged; D010149:Postoperative Pain / Q000150:complications / Q000188:drug therapy*; D011183:Postoperative Complications / Q000139:chemically induced / Q000453:epidemiology*; D001261:Pulmonary Atelectasis / Q000139:chemically induced / Q000453:epidemiology*; D012307:Risk Factors
chemical_list: D008614:Meperidine