@article{ref1,
title="Widmark's blood test and traffic accidents",
journal="Biologické Listy",
year="1951",
author="Halacka, K.",
volume="31",
number="3-4",
pages="152-162",
abstract="<p>[Abstract unavailable]</p> <p>Language: un</p>",
language="un",
issn="0366-0486",
doi="",
url="http://dx.doi.org/"
}