@article{ref1,
title="Exemption from seat belt use",
journal="American family physician",
year="1992",
author="Karpman, S.",
volume="46",
number="2",
pages="370, 374-370, 374",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0002-838X",
doi="",
url="http://dx.doi.org/"
}