@article{ref1,
title="Traumatic injuries to permanent incisor teeth in children. An epidemiological and clinical study",
journal="Proceedings of the Finnish Dental Society supplementum",
year="1977",
author="Järvinen, S.",
volume="73",
number="4-6 Suppl",
pages="1-50",
abstract="<p>[Abstract unavailable]</p><p>Language: fi</p>",
language="fi",
issn="0355-4651",
doi="",
url="http://dx.doi.org/"
}