title: Chronic naloxone results in prolonged increases in opiate binding sites in brain.
mesh_terms: D000818:Animals; D001921:Brain / Q000187:drug effects / Q000378:metabolism*; D007700:Kinetics; D009270:Naloxone / Q000378:metabolism / Q000494:pharmacology*; D051381:Rats; D011957:Receptors, Opioid / Q000187:drug effects*; D013997:Time Factors
chemical_list: D011957:Receptors, Opioid; D009270:Naloxone