Study 2: the application of butorphanol tartrate in balanced anesthesia.
D000293:Adolescent; D000328:Adult; D000770:Anesthesia, Endotracheal; D000777:Anesthetics; D002077:Butorphanol; D004341:Drug Evaluation; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009019:Morphinans; D009270:Naloxone / Q000008:administration & dosage; D011229:Preanesthetic Medication; D013997:Time Factors
D000777:Anesthetics; D009019:Morphinans; D009270:Naloxone; D002077:Butorphanol