Patient awareness during nitrous oxide, oxygen, and halothane anesthesia.
D000328:Adult; D000768:Anesthesia, General / Q000009:adverse effects*; D001307:Auditory Perception / Q000187:drug effects*; D006221:Halothane / Q000494:pharmacology*; D006622:Hip Prosthesis; D006801:Humans; D008297:Male; D009609:Nitrous Oxide / Q000494:pharmacology*; D010100:Oxygen / Q000494:pharmacology*
D009609:Nitrous Oxide; D010100:Oxygen; D006221:Halothane