@article{ref1,
title="Jaw injuries in the Oświecim camp",
journal="Przeglad Lekarski",
year="1967",
author="Krzywicki, J.",
volume="23",
number="1",
pages="94-96",
abstract="<p>[Abstract unavailable]</p><p>Language: pl</p>",
language="pl",
issn="0033-2240",
doi="",
url="http://dx.doi.org/"
}