@article{ref1,
title="Policy on prevention of sports-related orofacial injuries",
journal="Pediatric dentistry",
year="2017",
author="",
volume="39",
number="6",
pages="85-89",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0164-1263",
doi="",
url="http://dx.doi.org/"
}