@article{ref1,
title="The sea and its dangers",
journal="Tijdschrift voor Ziekenverpleging",
year="1966",
author="",
volume="19",
number="15",
pages="527-529",
abstract="<p>[Abstract unavailable]</p><p>Language: nl</p>",
language="nl",
issn="0303-6456",
doi="",
url="http://dx.doi.org/"
}