Tag: benzoylecgonine


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Benzoylecgonine in Urine by SAMHSA GC/MS28 May 2012Read
Extraction of Cocaine from Hair1 May 2012Read
Extraction of Cocaine from Urine1 May 2012Read
Bezoylecgonine in Urine by SAMHSA GC/MS4 Oct 2011Read

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