@article{ref1,
title="The role of enzymes in the processes responsible for the toxicity of snake venoms (an immunological study)",
journal="Memórias do Instituto Butantan",
year="1966",
author="Zwisler, O.",
volume="33",
number="1",
pages="281-291",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0073-9901",
doi="",
url="http://dx.doi.org/"
}