@article{ref1,
title="Northwestern University intramural athletic injuries",
journal="Quarterly bulletin of Northwestern University Medical School",
year="1958",
author="Savage, J. L.",
volume="32",
number="1",
pages="32-34",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0097-1103",
doi="",
url="http://dx.doi.org/"
}