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