Analgesic effects of nitrous oxide and meperidine, alone and combined with amphetamine.
D000661:Amphetamine; D000662:Amphetamines; D000700:Analgesics; D000758:Anesthesia; D008614:Meperidine; D009609:Nitrous Oxide
D000662:Amphetamines; D000700:Analgesics; D008614:Meperidine; D000661:Amphetamine; D009609:Nitrous Oxide
AMPHETAMINE; ANESTHESIA; MEPERIDINE