@article{ref1,
title="Determination of drug concentrations in body fluids; possibilities and limitations. I. Determination of plasma levels as a basis for understanding",
journal="Nederlands Tijdschrift voor Geneeskunde",
year="1980",
author="Ariëns, E. J. and Simonis, A. M.",
volume="124",
number="29",
pages="1192-1201",
abstract="<p>[Abstract unavailable]</p><p>Language: nl</p>",
language="nl",
issn="0028-2162",
doi="",
url="http://dx.doi.org/"
}