@article{ref1,
title="Traumatic injuries of teeth in children. Injuries to permanent teeth",
journal="Czasopismo stomatologiczne",
year="1987",
author="Szpringer-Nodzak, M.",
volume="40",
number="3",
pages="205-211",
abstract="<p>[Abstract unavailable]</p><p>Language: pl</p>",
language="pl",
issn="0011-4553",
doi="",
url="http://dx.doi.org/"
}