OtherANALGESIA AND DRUGS OF ABUSE
Antagonistic Modulation Between the Delta Opioid Agonist BW373U86 and the Mu Opioid Agonist Fentanyl in Mice
Scott J. O’Neill, Mark A. Collins, Hugh O. Pettit, Robert W. McNutt and Kwen-Jen Chang
Journal of Pharmacology and Experimental Therapeutics July 1997, 282 (1) 271-277;