Fig. 1From: The efficacy of pegylated interferon alpha-2a and entecavir in HBeAg-positive children and adolescents with chronic hepatitis BSelection process of the study population. CHB: chronic hepatitis B; IA: immune active; ETV: entecavir; peg-IFN: pegylated interferon; CHCQMU: Children’s Hospital of Chongqing Medical UniversityBack to article page