title: [3H]-etorphine and [3H]-diprenorphine receptor binding in vitro and in vivo: differential effect of Na+ and guanylyl imidodiphosphate.
mesh_terms: D000818:Animals; D001921:Brain / Q000187:drug effects* / Q000378:metabolism; D004174:Diprenorphine / Q000378:metabolism*; D005048:Etorphine / Q000378:metabolism*; D006160:Guanosine Triphosphate / Q000031:analogs & derivatives*; D006165:Guanylyl Imidodiphosphate / Q000494:pharmacology*; D007700:Kinetics; D008297:Male; D009019:Morphinans / Q000378:metabolism*; D051381:Rats; D011919:Rats, Inbred Strains; D011957:Receptors, Opioid / Q000187:drug effects* / Q000378:metabolism; D012964:Sodium / Q000494:pharmacology*
chemical_list: D009019:Morphinans; D011957:Receptors, Opioid; D004174:Diprenorphine; D006165:Guanylyl Imidodiphosphate; D005048:Etorphine; D006160:Guanosine Triphosphate; D012964:Sodium