@article{ref1,
title="Prevalence of coronal fractures of anterior teeth in school children",
journal="Revista da Associação Paulista de Cirurgiões Dentistas",
year="1979",
author="de Camargo, M. C. and Pinto, A. C.",
volume="33",
number="5",
pages="356-362",
abstract="<p>[Abstract unavailable]</p><p>Language: pt</p>",
language="pt",
issn="0004-5276",
doi="",
url="http://dx.doi.org/"
}