@article{ref1,
title="Letter to the editor: efficacy and degree of bias in knee injury prevention studies: a systematic review of RCTs",
journal="Clinical orthopaedics and related research",
year="2013",
author="Berger, Vance W.",
volume="471",
number="1",
pages="338-339",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0009-921X",
doi="10.1007/s11999-012-2675-y",
url="http://dx.doi.org/10.1007/s11999-012-2675-y"
}