@article{ref1,
title="A program to provide mouth-guards for football players of Baltimore County, Maryland",
journal="Journal of public health dentistry",
year="1973",
author="Pushkin, P. H.",
volume="33",
number="2",
pages="120-122",
abstract="<p>[Abstract unavailable]  Keywords: American football </p> <p>Language: en</p>",
language="en",
issn="0022-4006",
doi="",
url="http://dx.doi.org/"
}