@article{ref1,
title="Theory of accident origin",
journal="Casopis Lekaru Ceskych",
year="1974",
author="Drdková, S.",
volume="113",
number="13",
pages="401-405",
abstract="<p>[Abstract unavailable]</p><p>Language: cs</p>",
language="cs",
issn="0008-7335",
doi="",
url="http://dx.doi.org/"
}