@article{ref1,
title="Isaac's Sign: Handkerchief Holding by Older Inpatients",
journal="Journal of the American Geriatrics Society",
year="2009",
author="Collins, D. Ronan and Saharia, Ricky and Watt, Rebecca and Mulley, Graham P.",
volume="57",
number="11",
pages="2171-2172",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0002-8614",
doi="10.1111/j.1532-5415.2009.02539.x",
url="http://dx.doi.org/10.1111/j.1532-5415.2009.02539.x"
}