@article{ref1,
title="Sudden deafness caused by a drop of welding metal",
journal="Nederlands Tijdschrift voor Geneeskunde",
year="1971",
author="van Petersen, D. J.",
volume="115",
number="39",
pages="1600-1601",
abstract="<p>[Abstract unavailable]</p><p>Language: nl</p>",
language="nl",
issn="0028-2162",
doi="",
url="http://dx.doi.org/"
}