@article{ref1,
title="Improvement of balance and general physical fitness in older adults by karate: a randomized controlled trial",
journal="Complementary medicine research",
year="2017",
author="Witte, Kerstin and Emmermacher, Peter and Pliske, Gerald",
volume="24",
number="6",
pages="390-393",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="2504-2092",
doi="10.1159/000479151",
url="http://dx.doi.org/10.1159/000479151"
}