@article{ref1,
title="Maxillofacial injuries in the coal mining industry in the material from the Department of Maxillofacial Surgery of the Silesixan Medical Academy during 1967-71",
journal="Czasopismo stomatologiczne",
year="1977",
author="Jendroszczyk, E.",
volume="30",
number="7",
pages="573-579",
abstract="<p>[Abstract unavailable]</p><p>Language: pl</p>",
language="pl",
issn="0011-4553",
doi="",
url="http://dx.doi.org/"
}