@article{ref1,
title="Frailty is the main predictor of falls in elderly patients undergoing rehabilitation training",
journal="Age and ageing",
year="2004",
author="Speciale, S. and Turco, R. and Magnifico, F. and Bellelli, G. and Trabucchi, M.",
volume="33",
number="1",
pages="84-85",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-0729",
doi="",
url="http://dx.doi.org/"
}