@article{ref1,
title="Trauma as a cause of injuries of the upper incisors in children",
journal="Protetyka Stomatologiczna",
year="1967",
author="Makowska, A.",
volume="8",
number="",
pages="19-24",
abstract="<p>[Abstract unavailable]</p><p>Language: pl</p>",
language="pl",
issn="0033-1783",
doi="",
url="http://dx.doi.org/"
}