title: [Proceedings: Hb-Ag inviral hepatitis patients].
mesh_terms: D000293:Adolescent; D000328:Adult; D000956:Antigens, Viral / Q000032:analysis; D002031:Bulgaria; D002648:Child; D002675:Child, Preschool; D006506:Hepatitis A / Q000276:immunology*; D006515:Hepatitis B virus / Q000276:immunology*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn
chemical_list: D000956:Antigens, Viral
vernacular_title: Hb-Ag pri bolni ot virusen khepatit