@article{ref1,
title="Progress of fall prevention and hips protectors",
journal="Nippon Ronen Igakkai Zasshi",
year="2009",
author="Harada, Atsushi",
volume="46",
number="2",
pages="131-133",
abstract="<p>[Abstract unavailable]</p> <p>Language: ja</p>",
language="ja",
issn="0300-9173",
doi="",
url="http://dx.doi.org/"
}