Figure 3From: PXR and CAR single nucleotide polymorphisms influence plasma efavirenz levels in South African HIV/AIDS patients A-B: Effects of NR1I2 and NR1I3 haplotypes on plasma efavirenz concentration. The therapeutic range for efavirenz is shown. NR1I2 C-T-T and NR1I3 T-C-C haplotypes were only observed once and thus excluded from the analysis.Back to article page