title: Only a small reduction in morphine use with adding NSAIDs, paracetamol or COX-2 inhibitors to patient controlled morphine in the 24 h after major surgery.
authors.affiliation: Department of Anesthesia and Pain Management, Toronto General Hospital, University Health Network, 200 Elizabeth Street, Toronto, Ontario, Canada. hance.clarke@uhn.on.ca
authors.forename: Hance
authors.initials: H
authors.lastname: Clarke