@article{ref1,
title="The use of presumptive color tests for new psychoactive substances",
journal="Drug testing and analysis",
year="2015",
author="Cuypers, E. and Bonneure, Arne-Jan and Tytgat, J.",
volume="8",
number="1",
pages="137-141",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="1942-7603",
doi="10.1002/dta.1847",
url="http://dx.doi.org/10.1002/dta.1847"
}