@article{ref1,
title="Various types of polytrauma (author's transl)",
journal="Acta chirurgiae orthopaedicae et traumatologiae Cechoslovaca",
year="1978",
author="Kroupa, J.",
volume="45",
number="3",
pages="243-254",
abstract="<p>[Abstract unavailable]</p><p>Language: cs</p>",
language="cs",
issn="0001-5415",
doi="",
url="http://dx.doi.org/"
}