@article{ref1,
title="Walking safety and preventing falls in Parkinson's disease",
journal="Archives of physical medicine and rehabilitation",
year="2015",
author="Celik, Berna",
volume="96",
number="4",
pages="762-762",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0003-9993",
doi="10.1016/j.apmr.2014.11.027",
url="http://dx.doi.org/10.1016/j.apmr.2014.11.027"
}