@article{ref1,
title="A statistics primer. Prevalence, incidence, relative risks, and odds ratios: some epidemiologic concepts in the sports medicine literature",
journal="American journal of sports medicine",
year="1997",
author="Kuhn, J. E. and Greenfield, M. L. and Wojtys, E. M.",
volume="25",
number="3",
pages="414-416",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0363-5465",
doi="",
url="http://dx.doi.org/"
}