@article{ref1,
title="Studies on iron and cobalt metabolism",
journal="Journal of the American Medical Association",
year="1955",
author="Holly, R. G.",
volume="158",
number="15",
pages="1349-1352",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-9955",
doi="",
url="http://dx.doi.org/"
}