@article{ref1,
title="Second hip fracture in elderly hip fracture patients: cost and effectiveness of fracture prevention treatment",
journal="Age and ageing",
year="2005",
author="Segal, E. and Zinnman, C. and Raz, Barak and Tamir, A. and Gurevich, B. and Siebzehner, M. I. and Ish-Shalom, S.",
volume="34",
number="5",
pages="507-510",
abstract="Abstract unavailable.",
language="",
issn="0002-0729",
doi="10.1093/ageing/afi136",
url="http://dx.doi.org/10.1093/ageing/afi136"
}