@article{ref1,
title="Mortality after hip fracture and assessment of some contributory factors",
journal="Irish journal of medical science",
year="1976",
author="Colbert, D. S. and O'Muircheartaigh, I.",
volume="145",
number="2",
pages="44-50",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0021-1265",
doi="",
url="http://dx.doi.org/"
}