title: Better methods for meta-analysis available.
authors.forename: Nathan L
authors.initials: NL
authors.lastname: Pace
mesh_terms: D015360:Analgesia, Epidural; D016058:Analgesia, Patient-Controlled; D000701:Analgesics, Opioid / Q000008:administration & dosage*; D006801:Humans; D015201:Meta-Analysis as Topic; D010149:Postoperative Pain / Q000188:drug therapy*
chemical_list: D000701:Analgesics, Opioid