@article{ref1,
title="Prevention of falls in the frail elderly",
journal="MMW: Fortschritte der Medizin",
year="2013",
author="Zeeh, Joachim and Masuch, Madeleine",
volume="155",
number="10",
pages="50-54",
abstract="<p>[Abstract unavailable]</p> <p>Language: de</p>",
language="de",
issn="1438-3276",
doi="",
url="http://dx.doi.org/"
}