@article{ref1,
title="Concerns about concussion rates in female youth soccer",
journal="JAMA pediatrics",
year="2014",
author="Kerr, Hamish A. and Mjaanes, Jeffrey M.",
volume="168",
number="10",
pages="967-968",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="2168-6211",
doi="10.1001/jamapediatrics.2014.783",
url="http://dx.doi.org/10.1001/jamapediatrics.2014.783"
}