@article{ref1,
title="WHO diagnostic criteria for osteoporosis and trends in Europe and USA",
journal="Nippon Rinsho",
year="2004",
author="Nakamura, Toshitaka",
volume="62",
number="Suppl 2",
pages="235-239",
abstract="<p>[Abstract unavailable]</p><p>Language: ja</p>",
language="ja",
issn="0047-1852",
doi="",
url="http://dx.doi.org/"
}