@article{ref1,
title="Useful signs and symptoms of severe intracranial injury after minor head trauma",
journal="American family physician",
year="2016",
author="Slawson, David C.",
volume="93",
number="7",
pages="594-596",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0002-838X",
doi="",
url="http://dx.doi.org/"
}