@article{ref1,
title="Cobra bite in philadelphia",
journal="Pennsylvania medicine",
year="1975",
author="Tiger, M. E. and Brecher, E. and Bevan, D.",
volume="78",
number="1",
pages="53-54",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0031-4595",
doi="",
url="http://dx.doi.org/"
}