@article{ref1,
title="Experiences of the National Poisoning Information Center",
journal="Tijdschrift voor Ziekenverpleging",
year="1971",
author="van Heijst, A. N. and Pikaar, S. A.",
volume="24",
number="11",
pages="523-529",
abstract="<p>[Abstract unavailable]</p><p>Language: nl</p>",
language="nl",
issn="0303-6456",
doi="",
url="http://dx.doi.org/"
}