@article{ref1,
title="Complex evaluation of losses of labor potential due to disease",
journal="Ceskoslovenske Zdravotnictvi",
year="1975",
author="Vacek, M.",
volume="23",
number="7",
pages="279-283",
abstract="<p>[Abstract unavailable]</p><p>Language: cs</p>",
language="cs",
issn="0009-0689",
doi="",
url="http://dx.doi.org/"
}