The preparation of tritium nuclear-labeled morphine and evidence for its in vivo biotransformation to normorphine in the rat.
D000818:Animals; D001711:Biotransformation; D009020:Morphine / Q000378:metabolism*; D009022:Morphine Derivatives; D051381:Rats; D014316:Tritium
D009022:Morphine Derivatives; D014316:Tritium; D009020:Morphine; C010616:normorphine
MORPHINE/metabolism; TRITIUM