@article{ref1,
title="Triad of constraints in bicycle riding in children with cerebral palsy",
journal="Developmental medicine and child neurology",
year="2016",
author="Sugden, David",
volume="59",
number="4",
pages="347-348",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0012-1622",
doi="10.1111/dmcn.13368",
url="http://dx.doi.org/10.1111/dmcn.13368"
}