@article{ref1,
title="Comment on tai chi for risk of falls. A meta-analysis",
journal="Journal of the American Geriatrics Society",
year="2017",
author="Schoene, Daniel and Kiesswetter, Eva and Lord, Stephen R.",
volume="65",
number="12",
pages="2746-2748",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0002-8614",
doi="10.1111/jgs.15103",
url="http://dx.doi.org/10.1111/jgs.15103"
}