@article{ref1,
title="Fractures of the patella",
journal="Journal of bone and joint surgery: American volume",
year="1995",
author="Schilz, J. L.",
volume="77",
number="5",
pages="808-808",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0021-9355",
doi="",
url="http://dx.doi.org/"
}