@article{ref1,
title="Prevention of falls and fractures in the eldery",
journal="Nippon Ronen Igakkai Zasshi",
year="2006",
author="Koike, Tatsuya",
volume="43",
number="5",
pages="598-601",
abstract="<p>[Abstract unavailable]</p> <p>Language: ja</p>",
language="ja",
issn="0300-9173",
doi="",
url="http://dx.doi.org/"
}