Department of Liver Disease The Third People''s Hospital of Kunming City Kunming 650041 China;
The Third People''s Hospital of Kunming City Kunming China;
The Third People''s Hospital of Kunming City Kunming China;
The Third People''s Hospital of Kunming City Kunming China;
The Third People''s Hospital of Kunming City Kunming China;
The Third People''s Hospital of Kunming City Kunming China;
The Third People''s Hospital of Kunming City Kunming China;
Chronic hepatitis B; Peginterferon alfa-2a; NA drug resistance HBeAg seroconversion; Cohort study;