@article{ref1,
title="Minor head trauma",
journal="American journal of emergency medicine",
year="1992",
author="Ducker, T. B.",
volume="10",
number="1",
pages="96-96",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0735-6757",
doi="",
url="http://dx.doi.org/"
}