title: Pre-emptive analgesia.
authors.forename: J B
authors.initials: JB
authors.lastname: Dahl
mesh_terms: D000700:Analgesics / Q000627:therapeutic use*; D005260:Female; D006801:Humans; D007044:Hysterectomy; D009020:Morphine / Q000627:therapeutic use; D010149:Postoperative Pain / Q000517:prevention & control*; D011292:Premedication
chemical_list: D000700:Analgesics; D009020:Morphine