@article{ref1,
title="Postural control: toe-standing versus heel-toe standing",
journal="Gait and posture",
year="2004",
author="Nolan, L. and Kerrigan, DC",
volume="19",
number="1",
pages="11-15",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0966-6362",
doi="",
url="http://dx.doi.org/"
}