@article{ref1,
title="Violent traumas of the upper incisors in children",
journal="Revue de stomatologie et de chirurgie maxillo-faciale",
year="1968",
author="Biourge, A.",
volume="69",
number="1",
pages="30-43",
abstract="<p>[Abstract unavailable]</p><p>Language: fr</p>",
language="fr",
issn="0035-1768",
doi="",
url="http://dx.doi.org/"
}