title: Preemptive analgesia: what does it really mean?
authors.forename: D L
authors.initials: DL
authors.lastname: Hepner
mesh_terms: D000698:Analgesia / Q000379:methods*; D000701:Analgesics, Opioid / Q000627:therapeutic use; D006801:Humans; D009022:Morphine Derivatives / Q000627:therapeutic use; D010149:Postoperative Pain / Q000517:prevention & control; D014956:Writing
chemical_list: D000701:Analgesics, Opioid; D009022:Morphine Derivatives; C035349:morphine-6-glucuronide