@article{ref1,
title="Intervention in falls among the elderly",
journal="Journal of practical nursing",
year="1992",
author="Sumner, E. D. and Simpson, William M.",
volume="42",
number="2",
pages="24-34",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0022-3867",
doi="",
url="http://dx.doi.org/"
}