@article{ref1,
title="Hip fracture-associated mortality reconsidered",
journal="Calcified tissue international",
year="1997",
author="Block, J. E. and Stubbs, H.",
volume="61",
number="1",
pages="84-84",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0171-967X",
doi="",
url="http://dx.doi.org/"
}