@article{ref1,
title="Sports medicine: the times, they are a-changin'",
journal="Journal of family practice",
year="1991",
author="McKeag, D. B.",
volume="33",
number="6",
pages="573-574",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0094-3509",
doi="",
url="http://dx.doi.org/"
}