title: The role of HBsAg in the development of chronic liver disease after acute liver hepatitis.
mesh_terms: D000328:Adult; D002908:Chronic Disease; D005260:Female; D006505:Hepatitis / Q000276:immunology*; D006509:Hepatitis B / Q000150:complications* / Q000276:immunology; D006514:Hepatitis B Surface Antigens / Q000032:analysis; D006801:Humans; D008297:Male
chemical_list: D006514:Hepatitis B Surface Antigens