@article{ref1,
title="Occupational poisoning: suspicion and verification",
journal="Nederlands Tijdschrift voor Geneeskunde",
year="1972",
author="Zielhuis, R. L.",
volume="116",
number="5",
pages="173-176",
abstract="<p>[Abstract unavailable]</p><p>Language: nl</p>",
language="nl",
issn="0028-2162",
doi="",
url="http://dx.doi.org/"
}