@article{ref1,
title="Fractures in the aged, with special reference to the femur",
journal="Journal of the American Geriatrics Society",
year="1973",
author="Zisserman, L.",
volume="21",
number="5",
pages="193-199",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-8614",
doi="",
url="http://dx.doi.org/"
}