@article{ref1,
title="Vitamin D deficiency in the elderly: it is time for urgent preventive intervention",
journal="Aging clinical and experimental research",
year="2005",
author="Lippolis, Irma and Adami, Silvano",
volume="17",
number="2",
pages="71-73",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="1594-0667",
doi="",
url="http://dx.doi.org/"
}