@article{ref1,
title="Increase in the incidence of hip fractures and of the ratio of trochanteric to cervical hip fractures in Belgium",
journal="Calcified tissue international",
year="1988",
author="Nagant de Deuxchaisnes, C. and Devogelaer, J. P.",
volume="42",
number="3",
pages="201-203",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0171-967X",
doi="",
url="http://dx.doi.org/"
}