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  Indian J Med Microbiol
 

Figure 2: Chromatograms of an authentic postmortem hair sample positive for methadone and 2-ethylidene-1,5-dimethyl-3,3-diphenylpyrrolidine at 129.57 ng/mg and 72.38 ng/mg, respectively

Figure 2: Chromatograms of an authentic postmortem hair sample positive for methadone and 2-ethylidene-1,5-dimethyl-3,3-diphenylpyrrolidine at 129.57 ng/mg and 72.38 ng/mg, respectively