The use of a mixture of morphine and n-allylnormorphine as an analgesic.
D000700:Analgesics; D009020:Morphine / Q000494:pharmacology*; D009269:Nalorphine / Q000494:pharmacology*
D000700:Analgesics; D009020:Morphine; D009269:Nalorphine
MORPHINE/effects; NALORPHINE/effects