Just when we thought we understood patient-controlled analgesia...
Rowlingson
J C
JC
D016058:Analgesia, Patient-Controlled; D019644:Arthroplasty, Replacement, Hip; D006801:Humans; D010100:Oxygen / Q000378:metabolism*; D010149:Postoperative Pain / Q000188:drug therapy*
D010100:Oxygen