@article{ref1,
title="Maxillofacial fractures caused by work accidents",
journal="Czasopismo stomatologiczne",
year="1977",
author="Barańczak, Z. and Flieger, S.",
volume="30",
number="9",
pages="743-747",
abstract="<p>[Abstract unavailable]</p><p>Language: pl</p>",
language="pl",
issn="0011-4553",
doi="",
url="http://dx.doi.org/"
}