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Raikos, Nikolaos; Schmid, Helene; Nussbaumer, Susanne; Ambach, Lars; Lanz, Stephan; Längin, Andreas; König, Stefan; Roth, Nadine; Auwärter, Volker; Weinmann, Wolfgang (2014). Determination of Δ9-tetrahydrocannabinolic acid A (Δ9-THCA-A) in whole blood and plasma by LC–MS/MS and application in authentic samples from drivers suspected of driving under the influence of cannabis. Forensic science international, 243, pp. 130-136. Elsevier Scientific Publ. Ireland 10.1016/j.forsciint.2014.07.026
