@article{ref1,
title="Athletic injuries",
journal="Nebraska state medical journal",
year="1957",
author="Stone, Fred P.",
volume="42",
number="9",
pages="430-435",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0028-1956",
doi="",
url="http://dx.doi.org/"
}