title: Analgesia: dose-effect or pre-emptive effect?
authors.forename: A
authors.initials: A
authors.lastname: Mallick
authors.forename: N M
authors.initials: NM
authors.lastname: Dearden
mesh_terms: D000701:Analgesics, Opioid / Q000008:administration & dosage*; D004305:Dose-Response Relationship, Drug; D004334:Drug Administration Schedule; D005260:Female; D006801:Humans; D009020:Morphine / Q000008:administration & dosage*; D010149:Postoperative Pain / Q000517:prevention & control*
chemical_list: D000701:Analgesics, Opioid; D009020:Morphine