Clearance and analgesic activity of the quaternized opiate, N-methylmorphine [6-3H] administered intracisternally to the rat.
D000700:Analgesics; D000818:Animals; D001921:Brain / Q000378:metabolism; D002946:Cisterna Magna; D007267:Injections; D008297:Male; D009022:Morphine Derivatives / Q000008:administration & dosage / Q000378:metabolism / Q000494:pharmacology*; D051381:Rats; D013997:Time Factors
D000700:Analgesics; D009022:Morphine Derivatives