@article{ref1,
title="Sports concussion: A return-to-play guide",
journal="Journal of family practice",
year="2012",
author="Lear, Aaron M. and Hoang, Minh-Ha",
volume="61",
number="6",
pages="323-328",
abstract="These evaluative methods can help you optimize a patient's treatment and return to activity.<p /> <p>Language: en</p>",
language="en",
issn="0094-3509",
doi="",
url="http://dx.doi.org/"
}