@article{ref1,
title="Daytime sleepiness and other sleep disorders in Parkinson's disease",
journal="Neurology",
year="2002",
author="Homann, C. N. and Forstner, M. and Ivanic, G. and Ott, E.",
volume="58",
number="12",
pages="1863; author reply 1863-4",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0028-3878",
doi="",
url="http://dx.doi.org/"
}