RT Journal Article SR Electronic T1 Dynorphinergic mechanism mediating endomorphin-2-induced anti-analgesia in the mouse spinal cord JF Journal of Pharmacology and Experimental Therapeutics JO J Pharmacol Exp Ther FD American Society for Pharmacology and Experimental Therapeutics DO 10.1124/jpet.103.056242 A1 Hsiang-En Wu A1 Han-Sen Sun A1 Moses Darpolar A1 Randy J. Leitermann A1 John P. Kampine A1 Leon F. Tseng YR 2003 UL http://jpet.aspetjournals.org/content/early/2003/10/13/jpet.103.056242.abstract AB