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(a) Different treatment group at 52 weeks of treatment. Serum samples were analyzed for HBV DNA levels by fluorescent quantitative PCR. Assay lower limit of detection is 103 copies/mL. (b) Reduction in serum HBV DNA levels from baseline. Data are plotted as log10 change from baseline values. LAM, lamivudine; ETV, entecavir; LDT, telbivudine; CLA, combination of lamivudine and adefovir dipivoxil
