@article{ref1,
title="Child's play? Kids, sports, and injury",
journal="Minnesota medicine",
year="2000",
author="Gaines, S.",
volume="83",
number="6",
pages="18-25",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0026-556X",
doi="",
url="http://dx.doi.org/"
}