title: Meta-analysis and patient-controlled analgesia.
authors.forename: B W
authors.initials: BW
authors.lastname: Brown
mesh_terms: D000698:Analgesia / Q000379:methods; D016058:Analgesia, Patient-Controlled; D002986:Clinical Trials as Topic; D006801:Humans; D007273:Injections, Intramuscular; D015201:Meta-Analysis as Topic; D012107:Research Design; D013223:Statistics as Topic