OtherANALGESIA AND DRUGS OF ABUSE
Butorphanol-Mediated Antinociception in Mice: Partial Agonist Effects and Mu Receptor Involvement
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H. R. Garner, Timothy F. Burke, C. David Lawhorn, Joanne M. Stoner and William D. Wessinger
Journal of Pharmacology and Experimental Therapeutics September 1997, 282 (3) 1253-1261;