@article{ref1,
title="Fractures of the hip in the aged and disabled; a study of the relation of preoperative evaluation and preparation to morbidity and mortality",
journal="Clinical orthopaedics",
year="1958",
author="Overton, L. M.",
volume="11",
number="",
pages="51-55",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0095-8654",
doi="",
url="http://dx.doi.org/"
}