@article{ref1,
title="Study classifies low body mass index as risk factor for osteoporotic fracture among older U.S. women",
journal="Journal of the arkansas medical society",
year="1999",
author="Turner, L. W. and Kendrick, O. and Perry, B. A.",
volume="96",
number="4",
pages="138-141",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0004-1858",
doi="",
url="http://dx.doi.org/"
}