@article{ref1,
title="Dextromethorphan/levomethorphan issues in a case of opiate overdose",
journal="Drug testing and analysis",
year="2013",
author="Bortolotti, Federica and Bertaso, Anna and Gottardo, Rossella and Musile, Giacomo and Tagliaro, Franco",
volume="5",
number="9-10",
pages="781-784",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="1942-7603",
doi="10.1002/dta.1577",
url="http://dx.doi.org/10.1002/dta.1577"
}