@article{ref1,
title="The shortcoming and deficiency in "Risk factors for complications and in-hospital mortality following hip fractures: a study using the National Trauma Data Bank"",
journal="Archives of orthopaedic and trauma surgery",
year="2014",
author="Liu, Yueju and Zhang, Yingze",
volume="134",
number="8",
pages="1189-1190",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0936-8051",
doi="10.1007/s00402-014-2025-5",
url="http://dx.doi.org/10.1007/s00402-014-2025-5"
}