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