@article{ref1,
title="Vitamin D deficiency and falls: There's smoke, but is there fire?",
journal="Neurology",
year="2011",
author="Friedman, Joseph H.",
volume="76",
number="19",
pages="1612-1613",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0028-3878",
doi="10.1212/WNL.0b013e318219fbbc",
url="http://dx.doi.org/10.1212/WNL.0b013e318219fbbc"
}