@article{ref1,
title="Vitamin D poisoning",
journal="American practitioner and digest of treatment",
year="1947",
author="Chapman, E. M. and Du toit, C. H.",
volume="2",
number="4",
pages="279-283",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0097-658X",
doi="",
url="http://dx.doi.org/"
}