@article{ref1,
title="What does it mean when a patient falls? Part I: pinpointing the cause",
journal="Geriatrics",
year="1981",
author="Chipman, C.",
volume="36",
number="9",
pages="83-95",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0016-867X",
doi="",
url="http://dx.doi.org/"
}