Quantitation of morphine tolerance induced by pellet implantation in the rat.
D000818:Animals; D004343:Drug Implants; D004361:Drug Tolerance; D008297:Male; D009020:Morphine / Q000008:administration & dosage / Q000378:metabolism / Q000494:pharmacology*; D051381:Rats; D011930:Reaction Time / Q000187:drug effects; D013997:Time Factors
D004343:Drug Implants; D009020:Morphine