@article{ref1,
title="Risk factors for hip fracture in elderly Japanese women in Tottori Prefecture, Japan",
journal="Osteoporosis international",
year="1993",
author="Yamamoto, Koichi and Nakamura, T. and Kishimoto, H. and Hagino, H. and Nose, T.",
volume="3",
number="Suppl 1",
pages="48-50",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0937-941X",
doi="",
url="http://dx.doi.org/"
}