Intravenous supplementation during nitrous oxide anesthesia: application of multiple covariant analysis to the comparison of demerol, morphine and a new potent analgesic drug (15431)

D S WILKINS, S C CULLEN, M BROTMAN
1951 Anesthesiology  
pmid:14819681 fatcat:5dzgpwm5wjf53eohlkulusdiqa