@article{ref1,
title="Injuries of the ligaments of the knee. A study of types of injury and treatment in 129 patients",
journal="Clinical orthopaedics and related research",
year="1971",
author="Pickett, J. C. and Altizer, T. J.",
volume="76",
number="",
pages="27-32",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0009-921X",
doi="",
url="http://dx.doi.org/"
}