An improved long-acting delivery system for narcotic antagonists.
D000818:Animals; D002784:Cholesterol; D003692:Delayed-Action Preparations; D004343:Drug Implants; D008297:Male; D009020:Morphine / Q000037:antagonists & inhibitors; D009271:Naltrexone / Q000008:administration & dosage / Q000494:pharmacology; D009292:Narcotic Antagonists / Q000008:administration & dosage*; D010919:Placebos; D051381:Rats; D013228:Stearates; D013997:Time Factors
D003692:Delayed-Action Preparations; D004343:Drug Implants; D009292:Narcotic Antagonists; D010919:Placebos; D013228:Stearates; D009271:Naltrexone; D009020:Morphine; D002784:Cholesterol