@article{ref1,
title="Clinical study on changes in the blood caused by drugs",
journal="Nederlands Tijdschrift voor Geneeskunde",
year="1963",
author="Nieweg, H. O. and Bouma, H. G. and Soeparman, R. and Abels, J.",
volume="107",
number="",
pages="2124-2127",
abstract="<p>[Abstract unavailable]</p><p>Language: nl</p>",
language="nl",
issn="0028-2162",
doi="",
url="http://dx.doi.org/"
}