Hermanns-Clausen Maren, Kneisel Stefan, Hutter Melanie, Szabo Bela, Auwärter Volker
Poisons Information Center Freiburg, University Medical Center Freiburg, Freiburg, Germany.
Drug Test Anal. 2013 Sep-Oct;5(9-10):790-4. doi: 10.1002/dta.1483. Epub 2013 May 20.