title: Preemptive analgesia: it starts before surgery.
authors.forename: C L
authors.initials: CL
authors.lastname: Pasero
authors.forename: M
authors.initials: M
authors.lastname: McCaffery
mesh_terms: D000698:Analgesia / Q000379:methods*; D000701:Analgesics, Opioid / Q000008:administration & dosage*; D000779:Anesthetics, Local / Q000008:administration & dosage*; D000894:Anti-Inflammatory Agents, Non-Steroidal / Q000008:administration & dosage*; D004311:Double-Blind Method; D005283:Fentanyl / Q000008:administration & dosage*; D006801:Humans; D010149:Postoperative Pain / Q000517:prevention & control*; D011300:Preoperative Care; D011446:Prospective Studies; D016032:Randomized Controlled Trials as Topic
chemical_list: D000701:Analgesics, Opioid; D000779:Anesthetics, Local; D000894:Anti-Inflammatory Agents, Non-Steroidal; D005283:Fentanyl