@article{ref1,
title="Athletic injuries. Application of epidemiologic methods",
journal="JAMA journal of the American Medical Association",
year="1971",
author="Robey, J. M. and Blyth, C. S. and Mueller, F. O.",
volume="217",
number="2",
pages="184-189",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0098-7484",
doi="",
url="http://dx.doi.org/"
}