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  Indian J Med Microbiol
 

Figure 8: The chromatograms of 1-(3-trifluoromethylphenyl) piperazine and 1-(3-chlorophenyl) piperazine from blank urine sample by gas chromatography/nitrogen–phosphorus detector

Figure 8: The chromatograms of 1-(3-trifluoromethylphenyl) piperazine and 1-(3-chlorophenyl) piperazine from blank urine sample by gas chromatography/nitrogen–phosphorus detector