Narcotics in preanesthetic medication; a controlled study.
D000758:Anesthesia; D000776:Anesthesiology; D006801:Humans; D006993:Hypnotics and Sedatives; D009294:Narcotics; D011229:Preanesthetic Medication
D006993:Hypnotics and Sedatives; D009294:Narcotics
ANESTHESIA; HYPNOTICS AND SEDATIVES