@article{ref1,
title="Fractures of the upper extremity of the femur. General etiology-statistics",
journal="Revue du praticien, La",
year="1976",
author="Martin, T. H. and Laurence, G.",
volume="26",
number="21",
pages="1501-1505",
abstract="<p>[Abstract unavailable]</p><p>Language: fr</p>",
language="fr",
issn="0035-2640",
doi="",
url="http://dx.doi.org/"
}