@article{ref1,
title="The effects of early physical activity compared to early physical rest on concussion symptoms",
journal="Journal of sport rehabilitation",
year="2019",
author="Erdman, Nicholas and Jaffri, Abbis and Lempke, Landon",
volume="28",
number="1",
pages="99-105",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="1056-6716",
doi="10.1123/jsr.2017-0217",
url="http://dx.doi.org/10.1123/jsr.2017-0217"
}