title: Preemptive analgesia: an early observation.
authors.forename: D L
authors.initials: DL
authors.lastname: Bourke
mesh_terms: D000700:Analgesics / Q000008:administration & dosage*; D000765:Anesthesia, Conduction; D000768:Anesthesia, General; D006801:Humans; D010149:Postoperative Pain / Q000517:prevention & control*
chemical_list: D000700:Analgesics