The effect of N-allylnormorphine upon the development of tolerance to morphine in the albino rat.
D000818:Animals; D004361:Drug Tolerance; D009020:Morphine; D009269:Nalorphine / Q000494:pharmacology*; D051381:Rats
D009020:Morphine; D009269:Nalorphine
MORPHINE; NALORPHINE/effects