[Hemorrhage induced by snake venoms in Argentina].

Mice of 18 and 20 g were injected intradermally with 0.1 ml of serial dilution of venom in saline solution 0.9 buffered pH 7.2. Groups of 4 animal were formed, they were sacrificed 2 hours after inoculation. Skin of every mouse was put out, and the haemorrhagic area was measured Bothrops alternatus, Bothrops jararaca, Bothrops jararacussu and bothrops neuwiedii venoms were used. Crotalus durissus terrificus did not show any haemorrhagic activity.