@article{ref1,
title="Medical exemption provision of Maryland's safety-belt-use law",
journal="Maryland medical journal: MMJ",
year="1989",
author="",
volume="38",
number="4",
pages="298-299",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0886-0572",
doi="",
url="http://dx.doi.org/"
}