@article{ref1,
title="Craniofacial injuries in the Warsaw region",
journal="Czasopismo stomatologiczne",
year="1982",
author="Kryst, L. and Piekarczyk, J. and Jasik, A.",
volume="35",
number="4",
pages="211-215",
abstract="<p>[Abstract unavailable]</p><p>Language: pl</p>",
language="pl",
issn="0011-4553",
doi="",
url="http://dx.doi.org/"
}