Intravenous supplementation during nitrous oxide anesthesia: comparison of demerol, morphine and a new potent analgesic drug (15431).
BROTMAN
M
M
CULLEN
S C
SC
WILKINS
D S
DS
D000700:Analgesics; D000758:Anesthesia; D000776:Anesthesiology; D008614:Meperidine; D009020:Morphine; D009609:Nitrous Oxide
D000700:Analgesics; D009020:Morphine; D008614:Meperidine; D009609:Nitrous Oxide