@article{ref1,
title="Causal analysis of fluctuation, morbidity and accident rate in construction industry employees working with jackhammers",
journal="Pracovni Lekarstvi",
year="1966",
author="Sekyrová, M.",
volume="18",
number="2",
pages="60-64",
abstract="<p>[Abstract unavailable]</p><p>Language: cs</p>",
language="cs",
issn="0032-6291",
doi="",
url="http://dx.doi.org/"
}