@article{ref1,
title="Ankle injuries in athletes",
journal="Orthopedic clinics of North America",
year="1974",
author="Nicholas, J. A.",
volume="5",
number="1",
pages="153-175",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0030-5898",
doi="",
url="http://dx.doi.org/"
}