Low-dose spinal morphine for postoperative analgesia following knee arthroplasty.
Laffey
J G
JG
Flynn
N
N
D000701:Analgesics, Opioid / Q000009:adverse effects*; D019645:Arthroplasty, Replacement, Knee; D006801:Humans; D009020:Morphine / Q000009:adverse effects*; D010149:Postoperative Pain / Q000188:drug therapy*
D000701:Analgesics, Opioid; D009020:Morphine