@article{ref1,
title="Vanadium poisoning from cleaning oil boilers",
journal="Ugeskrift for Laeger",
year="1951",
author="Frost, J.",
volume="113",
number="38",
pages="1309-1312",
abstract="<p>[Abstract unavailable]</p> <p>Language: un</p>",
language="un",
issn="0041-5782",
doi="",
url="http://dx.doi.org/"
}