Figure 1.

Frequencies of resistance levels to nucleoside (NRTI) and non-nucleoside (NNRTI) reverse transcriptase inhibitors. The horizontal bars indicates the frequency of susceptible (white), intermediate resistance (grey) and resistant (black) samples to NRTI and NNRTI reverse transcriptase inhibitors.

Elmi Abar et al. Diagnostic Pathology 2012 7:138   doi:10.1186/1746-1596-7-138
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