@article{ref1,
title="The prevention and treatment of knee injuries in athletes",
journal="Minnesota medicine",
year="1966",
author="Stein, L.",
volume="49",
number="8",
pages="1277-1279",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0026-556X",
doi="",
url="http://dx.doi.org/"
}