title: The course of chronic active hepatitis.
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D005260:Female; D006514:Hepatitis B Surface Antigens / Q000032:analysis; D006521:Hepatitis, Chronic / Q000276:immunology / Q000473:pathology; D006801:Humans; D008297:Male; D008875:Middle Aged; D019966:Substance-Related Disorders / Q000150:complications
chemical_list: D006514:Hepatitis B Surface Antigens