@article{ref1,
title="Bone calcium and fluorine in elderly patients with hip fracture",
journal="Irish medical journal",
year="1977",
author="Colbert, D. S. and Hynes, M. J. and Johnston, P. and Feeley, T. D.",
volume="70",
number="17",
pages="523-524",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0332-3102",
doi="",
url="http://dx.doi.org/"
}