title: Preemptive analgesia for postop pain.
authors.forename: F A
authors.initials: FA
authors.lastname: Berry
mesh_terms: D000082:Acetaminophen / Q000008:administration & dosage / Q000627:therapeutic use; D000698:Analgesia; D000700:Analgesics / Q000008:administration & dosage / Q000627:therapeutic use*; D018712:Analgesics, Non-Narcotic / Q000008:administration & dosage / Q000627:therapeutic use; D000701:Analgesics, Opioid / Q000008:administration & dosage / Q000627:therapeutic use; D002648:Child; D004334:Drug Administration Schedule; D005283:Fentanyl / Q000008:administration & dosage / Q000627:therapeutic use; D006801:Humans; D009020:Morphine / Q000008:administration & dosage / Q000627:therapeutic use; D017288:Pain Threshold; D010149:Postoperative Pain / Q000188:drug therapy / Q000517:prevention & control*; D011292:Premedication
chemical_list: D000700:Analgesics; D018712:Analgesics, Non-Narcotic; D000701:Analgesics, Opioid; D000082:Acetaminophen; D009020:Morphine; D005283:Fentanyl