OtherANALGESIA AND DRUGS OF ABUSE
Differentiation of Kappa Opioid Agonist-Induced Antinociception by Naltrexone Apparent pA2 Analysis in Rhesus Monkeys
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Mei-Chuan Ko, Eduardo R. Butelman, John R. Traynor and James H. Woods
Journal of Pharmacology and Experimental Therapeutics May 1998, 285 (2) 518-526;