@article{ref1,
title="Casualty care in car crashes",
journal="International journal of epidemiology",
year="1974",
author="Ryan, G. A.",
volume="3",
number="1",
pages="31-35",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0300-5771",
doi="",
url="http://dx.doi.org/"
}