title: Possible involvements of negative cooperativity in opiate agonist receptor interactions.
mesh_terms: D000494:Allosteric Regulation; D000818:Animals; D001921:Brain / Q000378:metabolism; D004174:Diprenorphine / Q000378:metabolism; D005048:Etorphine / Q000378:metabolism; D066298:In Vitro Techniques; D007700:Kinetics; D051381:Rats; D011957:Receptors, Opioid / Q000378:metabolism*
chemical_list: D011957:Receptors, Opioid; D004174:Diprenorphine; D005048:Etorphine