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Figure 5: 2% gel electrophoresis multiplex polymerase chain reaction of GSTT1 and GSTM1 lane M 100 bp DNA ladder; lane 2,3 and 5 showing both, GSTT1 and GSTM1 genotypes; lane 6 showed both null genotypes; lane 4 and 7 showing deletion of GSTT1 |
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