Meta-analysis and patient-controlled analgesia.
Brown
B W
BW
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