@article{ref1,
title="Can vitamin D prevent falls and fractures?",
journal="Lancet diabetes and endocrinology",
year="2017",
author="Bouillon, Roger",
volume="5",
number="6",
pages="407-409",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="2213-8587",
doi="10.1016/S2213-8587(17)30140-7",
url="http://dx.doi.org/10.1016/S2213-8587(17)30140-7"
}