@article{ref1,
title="Football injuries in the very young athlete",
journal="Clinical orthopaedics and related research",
year="1970",
author="Roser, L. A. and Clawson, D. K.",
volume="69",
number="",
pages="219-223",
abstract="<p>[Abstract unavailable]  Keywords: American football; Adolescents; Children</p> <p>Language: en</p>",
language="en",
issn="0009-921X",
doi="",
url="http://dx.doi.org/"
}