Antagonism of morphine by long acting narcotic antagonists.
D000818:Animals; D001522:Behavior, Animal / Q000187:drug effects; D010856:Columbidae; D003521:Cyclopropanes / Q000494:pharmacology; D004305:Dose-Response Relationship, Drug; D006801:Humans; D008297:Male; D009019:Morphinans / Q000494:pharmacology*; D009020:Morphine / Q000037:antagonists & inhibitors* / Q000494:pharmacology; D009021:Morphine Dependence / Q000188:drug therapy; D009270:Naloxone / Q000494:pharmacology*; D009292:Narcotic Antagonists / Q000008:administration & dosage / Q000494:pharmacology*; D012055:Reinforcement Schedule; D013997:Time Factors
D003521:Cyclopropanes; D009019:Morphinans; D009292:Narcotic Antagonists; D009270:Naloxone; D009020:Morphine