@article{ref1,
title="Waking up to sleep episodes in Parkinson's disease",
journal="Movement disorders",
year="2000",
author="Olanow, C. Warren and Schapira, A. H. and Roth, T.",
volume="15",
number="2",
pages="212-215",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0885-3185",
doi="",
url="http://dx.doi.org/"
}