@article{ref1,
title="Rapid death and extradural hematoma",
journal="American family physician",
year="1973",
author="Coppola, A. R.",
volume="7",
number="3",
pages="89-91",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-838X",
doi="",
url="http://dx.doi.org/"
}