@article{ref1,
title="The venoms of cobra",
journal="Revista brasileira de medicina",
year="1970",
author="Ráfful, M.",
volume="27",
number="7",
pages="384-385",
abstract="<p>[Abstract unavailable]</p><p>Language: pt</p>",
language="pt",
issn="0034-7264",
doi="",
url="http://dx.doi.org/"
}