@article{ref1,
title="Sleep and motor activity of community elderly who frequently use bedtime medications",
journal="Biological psychiatry",
year="1994",
author="Pollak, C. P. and Perlick, D. and Linsner, J. P.",
volume="35",
number="1",
pages="73-75",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0006-3223",
doi="",
url="http://dx.doi.org/"
}