@article{ref1,
title="Central Sydney Tai Chi Trial: methodology",
journal="New South Wales public health bulletin",
year="2002",
author="Voukelatos, Alexander and Metcalfe, Andrew",
volume="13",
number="1-2",
pages="19-19",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="1034-7674",
doi="",
url="http://dx.doi.org/"
}