@article{ref1,
title="Pneumothorax in high school football",
journal="Texas medicine",
year="1998",
author="Funk, D. A. and McGanity, P. L. and Hagemeier, K. F. and Schenck, R. C.",
volume="94",
number="5",
pages="72-74",
abstract="<p>[Abstract unavailable]  Keywords: American football; </p> <p>Language: en</p>",
language="en",
issn="0040-4470",
doi="",
url="http://dx.doi.org/"
}