@article{ref1,
title="Survey of football injuries in the high schools of Massachusetts",
journal="Research quarterly. American Physical Education Association",
year="1933",
author="Burnett, Joseph H. and O'Brten, Fred J.",
volume="4",
number="3",
pages="91-98",
abstract="<p>[Abstract unavailable]  Keywords: American football  </p>",
language="en",
issn="2326-7402",
doi="10.1080/23267402.1933.10626635",
url="http://dx.doi.org/10.1080/23267402.1933.10626635"
}