@article{ref1,
title="Strength profiles of older persons",
journal="Studies in health technology and informatics",
year="1998",
author="Verbrugge, L. M. and Kempen, Gertrudis I. J. M. and Kimmerly, L. and Wooley, C. and Chaffin, D. B.",
volume="48",
number="",
pages="240-242",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0926-9630",
doi="",
url="http://dx.doi.org/"
}