@article{ref1,
title="High school athletic injuries",
journal="Proceedings of the Institute of Medicine of Chicago",
year="1972",
author="Hinkamp, J. F.",
volume="29",
number="6",
pages="221-222",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0091-746X",
doi="",
url="http://dx.doi.org/"
}