Initial experience with Crotalidae polyvalent immune Fab (ovine) antivenom in the treatment of copperhead snakebite.
Lavonas EJ, Gerardo CJ, O'Malley G, Arnold TC, Bush SP, Banner W, Steffens M, Kerns WP. Initial experience with Crotalidae polyvalent immune Fab (ovine) antivenom in the treatment of copperhead snakebite. Ann Emerg Med. 2004 Feb; 43(2):200-6.