@article{ref1,
title="Physical activity or rest after concussion in youth: questions about timing and potential benefit",
journal="JAMA journal of the American Medical Association",
year="2016",
author="Chrisman, Sara P. D. and Rivara, Frederick P.",
volume="316",
number="23",
pages="2491-2492",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0098-7484",
doi="10.1001/jama.2016.17562",
url="http://dx.doi.org/10.1001/jama.2016.17562"
}