@article{ref1,
title="Epidemiologic factors, morbidity and mortality after femoral neck fractures in the elderly. A comparative study: internal fixation vs. hemiarthroplasty",
journal="Acta orthopaedica Belgica",
year="1987",
author="Rodríguez, J. and Herrara, A. and Canales, V. and Serrano, S.",
volume="53",
number="4",
pages="472-479",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-6462",
doi="",
url="http://dx.doi.org/"
}