@article{ref1,
title="How to avoid falls in the elderly",
journal="MMW: Fortschritte der Medizin",
year="2008",
author="Bock, Otmar",
volume="150",
number="41",
pages="44-45",
abstract="<p>[Abstract unavailable]</p> <p>Language: de</p>",
language="de",
issn="1438-3276",
doi="",
url="http://dx.doi.org/"
}