title: Morphine release and displacement by naloxone in vivo in morphine naive and withdrawn rats.
mesh_terms: D000818:Animals; D001667:Binding, Competitive; D001921:Brain / Q000033:anatomy & histology; D006801:Humans; D007276:Injections, Intraventricular; D008297:Male; D009020:Morphine / Q000008:administration & dosage / Q000378:metabolism*; D009021:Morphine Dependence / Q000378:metabolism*; D009270:Naloxone / Q000378:metabolism / Q000494:pharmacology*; D051381:Rats; D013375:Substance Withdrawal Syndrome / Q000378:metabolism*; D013997:Time Factors
chemical_list: D009270:Naloxone; D009020:Morphine