Snake venom components enhance pain upon subcutaneous injection: an initial examination of spinal cord mediators.
Chacur M, Guti?rrez JM, Milligan ED, Wieseler-Frank J, Britto LR, Maier SF, Watkins LR, Cury Y. Snake venom components enhance pain upon subcutaneous injection: an initial examination of spinal cord mediators. Pain. 2004 Sep; 111(1-2):65-76.