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Flow diagram of study population selection.
Abbreviations: ADV, adefovir dipivoxil; HBsAg, hepatitis B surface antigen; HCC, hepatocellular carcinoma; HIV, human immunodeficiency virus; LAM, lamivudine; PEI, percutaneous ethanol injection; RFA, radiofrequency ablation; TACE, transarterial chemoembolization.
