@article{ref1,
title="Etiological study of 2060 cases of fractures of the facial skeleton",
journal="Rivista italiana di stomatologia",
year="1983",
author="Panzoni, E. and Branchi, R. and Piccioli, A.",
volume="52",
number="11",
pages="907-911",
abstract="<p>[Abstract unavailable]</p><p>Language: it</p>",
language="it",
issn="0035-6905",
doi="",
url="http://dx.doi.org/"
}