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Virologic response (hepatitis B virus [HBV] DNA <60 IU/mL) by tenofovir disoproxil fumarate (TDF) monotherapy versus TDF and entecavir (ETV) combination therapy in ETV-resistant patients with chronic hepatitis B in a randomized controlled trial. Intention-to-treat population shown. Adapted from Lim YS, et al. Gut 2016;65:852–860.31
