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. 2011 Aug;55(8):3758–3764. doi: 10.1128/AAC.00414-11

Fig. 2.

Fig. 2.

Drug-resistant xxHIV-1LAI was selected by serial passage of virus in increasing concentrations of 3′-azido-ddC (EC50, 86.7 ± 16.9 μM at passage 60) or 3′-azido-ddA (EC50, 3.32 ± 1.06 μM at passage 75). Fold resistance and RT genotype were determined as described for Fig. 1.