[The influence of the opiate antagonist levallorphan (lorfan) on the respiratory-depressant and analgesic action of pethidine].
D000700:Analgesics; D019069:Cell Respiration; D006801:Humans; D007977:Levallorphan; D008614:Meperidine; D009020:Morphine / Q000037:antagonists & inhibitors*; D009292:Narcotic Antagonists; D012119:Respiration / Q000494:pharmacology*
D000700:Analgesics; D009292:Narcotic Antagonists; D007977:Levallorphan; D009020:Morphine; D008614:Meperidine
MEPERIDINE; MORPHINE/antagonists; RESPIRATION/pharmacology