@article{ref1,
title="Osteoporosis and the role of vitamin D and calcium",
journal="Age and ageing",
year="2001",
author="Dhesi, J. K. and Jackson, S. H. and Allain, Theresa J.",
volume="30",
number="1",
pages="88-89",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-0729",
doi="",
url="http://dx.doi.org/"
}