@article{ref1,
title="Working conditions, health status and psychophysical performance of urban and nonurban bus drivers",
journal="La Medicina del lavoro",
year="1985",
author="Betta, A. and Costa, Gianluca",
volume="76",
number="3",
pages="228-237",
abstract="<p>[Abstract unavailable]</p><p>Language: it</p>",
language="it",
issn="0025-7818",
doi="",
url="http://dx.doi.org/"
}