@article{ref1,
title="Discussion of "Validity Testing of Commercial Urine Cocaine Metabolite Assays: Parts I and II"",
journal="Journal of forensic sciences",
year="1990",
author="Spiehler, V. and Wilson, H. and el Shami, S.",
volume="35",
number="2",
pages="230-232",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0022-1198",
doi="",
url="http://dx.doi.org/"
}