@article{ref1,
title="Prevention and treatment of vitamin D deficiency in aged patients: a proven efficacy",
journal="Revue de médecine interne",
year="1999",
author="Trivalle, C. and Sebag-Lanoë, R. and Guillemant, S.",
volume="20",
number="9",
pages="755-758",
abstract="<p>[Abstract unavailable]</p><p>Language: fr</p>",
language="fr",
issn="0248-8663",
doi="",
url="http://dx.doi.org/"
}