Nitrous oxide, pen tothal anesthesia.
CONROY
W A
WA
D000758:Anesthesia; D000776:Anesthesiology; D001462:Barbital; D006801:Humans; D009609:Nitrous Oxide
D001462:Barbital; D009609:Nitrous Oxide
ANESTHESIA/barbital; ANESTHESIA/nitrous oxide