title: [3H]naloxone displacement: evidence for nitrous oxide as opioid receptor agonist.
mesh_terms: D000818:Animals; D001667:Binding, Competitive; D001921:Brain / Q000378:metabolism; D066298:In Vitro Techniques; D007700:Kinetics; D009270:Naloxone / Q000378:metabolism*; D009609:Nitrous Oxide / Q000378:metabolism*; D051381:Rats; D011957:Receptors, Opioid / Q000378:metabolism*
chemical_list: D011957:Receptors, Opioid; D009270:Naloxone; D009609:Nitrous Oxide