@article{ref1,
title="Association between serum vitamin D level and history of falls in elderly Japanese patients with rheumatoid arthritis",
journal="Modern rheumatology",
year="2015",
author="Ochi, Kensuke and Furuya, Takefumi and Ikari, Katsunori and Taniguchi, Atsuo and Yamanaka, Hisashi and Momohara, Shigeki",
volume="26",
number="3",
pages="460-462",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="1439-7595",
doi="10.3109/14397595.2015.1085487",
url="http://dx.doi.org/10.3109/14397595.2015.1085487"
}