@article{ref1,
title="The relationship of mid-face fractures to mandibular fractures in various forms of trauma: study of 4,015 cases",
journal="Military medicine",
year="1973",
author="Tinder, L. E.",
volume="138",
number="8",
pages="487-489",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0026-4075",
doi="",
url="http://dx.doi.org/"
}