@article{ref1,
title="The origin of snakes and evolution of the venom apparatus",
journal="Toxicon: Journal of the International Society on Toxinology",
year="1987",
author="Kochva, E.",
volume="25",
number="1",
pages="65-106",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0041-0101",
doi="",
url="http://dx.doi.org/"
}