@article{ref1,
title="Falls by hospitalized elderly patients: causes, prevention",
journal="Geriatrics",
year="1977",
author="Sehested, P. and Severin-Nielsen, T.",
volume="32",
number="4",
pages="101-108",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0016-867X",
doi="",
url="http://dx.doi.org/"
}