@article{ref1,
title="Maxillofacial injuries sustained in the Vietnam conflict",
journal="Military medicine",
year="1969",
author="Tinder, L. E. and Osbon, D. B. and Lilly, G. E. and Salem, J. E. and Cutcher, J. L.",
volume="134",
number="9",
pages="668-672",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0026-4075",
doi="",
url="http://dx.doi.org/"
}