@article{ref1,
title="Classification of fractures of the facial structure--bibliographical review",
journal="Revista Gaúcha de Odontologia",
year="1966",
author="Oliveira Souto, A. A.",
volume="14",
number="2",
pages="59-71",
abstract="<p>[Abstract unavailable]</p><p>Language: pt</p>",
language="pt",
issn="0034-9542",
doi="",
url="http://dx.doi.org/"
}