@article{ref1,
title="The expanding frontiers of sports medicine",
journal="Journal of sports medicine",
year="1972",
author="Emerson, R. S.",
volume="1",
number="1",
pages="36-36",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0090-4201",
doi="",
url="http://dx.doi.org/"
}