@article{ref1,
title="National Poisoning Information Center",
journal="Nederlands Tijdschrift voor Geneeskunde",
year="1976",
author="van Heijst, A. N. and Douze, J. M. and Pikaar, S. A.",
volume="120",
number="5",
pages="206-209",
abstract="<p>[Abstract unavailable]</p><p>Language: nl</p>",
language="nl",
issn="0028-2162",
doi="",
url="http://dx.doi.org/"
}