@article{ref1,
title="Traumatic injuries of the anterior teeth in preschool children",
journal="Acta de odontología pediátrica",
year="1981",
author="Sánchez, J. R. and Sanchez, R. and García-Godoy, F.",
volume="2",
number="1",
pages="17-23",
abstract="<p>[Abstract unavailable]</p><p>Language: es</p>",
language="es",
issn="0252-1032",
doi="",
url="http://dx.doi.org/"
}