@article{ref1,
title="The seat-belt sign",
journal="Archives of emergency medicine",
year="1987",
author="Freeman, C. P.",
volume="4",
number="2",
pages="128-130",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0264-4924",
doi="",
url="http://dx.doi.org/"
}