@article{ref1,
title="Quantifying quality of moving in the elderly based on ambulatory accelerometry",
journal="Studies in health technology and informatics",
year="1998",
author="Slagter, A. H. and Bussmann, H. B. and Wagenaar, Robert C. and van der Cammen, Tischa J. M. and Stam, H. J.",
volume="48",
number="",
pages="249-253",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0926-9630",
doi="",
url="http://dx.doi.org/"
}