@article{ref1,
title="Sports injuries in children and adolescents",
journal="British journal of sports medicine",
year="1991",
author="Micheli, L. J. and Klein, J. D.",
volume="25",
number="1",
pages="6-9",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0306-3674",
doi="",
url="http://dx.doi.org/"
}