Contribution to the epidemiological and clinical aspects of snake bites in Hungary: Z. Takacs,1 M. Janisch2 and Z. Korsos3 (1Division of Toxinology, Hungarian Herpetological Society, P.O. Box 274, Szeged 6701, 2University of Veterinary Sciences, Department of Parasitology, P.O. Box 2, Budapest 1400, and 3Zoological Department, Hungarian Natural History Museum, 13 Baross, Budapest 1088, Hungary)