@article{ref1,
title="Hearing loss in truck drivers",
journal="Ceskoslovenska Otolaryngologie",
year="1980",
author="Janisch, R.",
volume="29",
number="1",
pages="33-35",
abstract="<p>[Abstract unavailable]</p> <p>Language: cs</p>",
language="cs",
issn="0009-0603",
doi="",
url="http://dx.doi.org/"
}