@article{ref1,
title="The effects of exercise for the prevention of falls",
journal="Nippon Ronen Igakkai Zasshi",
year="2011",
author="Kim, Hunkyung",
volume="48",
number="1",
pages="39-41",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0300-9173",
doi="",
url="http://dx.doi.org/"
}