@article{ref1,
title="Tai chi as a balance improvement exercise for older adults: a systematic review",
journal="Journal of geriatric physical therapy",
year="2010",
author="Liu, Hao and Frank, Adam",
volume="33",
number="3",
pages="103-109",
abstract="This review indicates that TC may be an economic and effective exercise program for improving balance and balance confidence in older adults.<p /> <p>Language: en</p>",
language="en",
issn="1539-8412",
doi="",
url="http://dx.doi.org/"
}