@article{ref1,
title="Prevalence of daytime sleepiness in a population of drivers",
journal="Neurology",
year="1999",
author="Benbadis, S. R. and Perry, M. C. and Sundstad, L. S. and Wolgamuth, B. R.",
volume="52",
number="1",
pages="209-210",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0028-3878",
doi="",
url="http://dx.doi.org/"
}