@article{ref1,
title="The frequency of injury, mechanism of injury, and epidemiology of ankle sprains",
journal="American journal of sports medicine",
year="1977",
author="Garrick, J. G.",
volume="5",
number="6",
pages="241-242",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0363-5465",
doi="",
url="http://dx.doi.org/"
}