@article{ref1,
title="An impacted fracture of the femoral neck",
journal="JAMA journal of the American Medical Association",
year="1970",
author="Aufranc, O. E. and Jones, W. N. and Butler, J. E.",
volume="214",
number="4",
pages="735-740",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0098-7484",
doi="",
url="http://dx.doi.org/"
}