@article{ref1,
title="Tangential missile wounds of the skull: a summary of the radiographic features in nineteen cases",
journal="Military medicine",
year="1971",
author="Berg, R. A. and Jacobs, G. B.",
volume="136",
number="2",
pages="134-136",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0026-4075",
doi="",
url="http://dx.doi.org/"
}