title: [Etiology and epidemiology of B hepatitis].
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D002353:Carrier State; D002648:Child; D004267:DNA Viruses; D000939:Epitopes; D005260:Female; D006509:Hepatitis B / Q000453:epidemiology / Q000209:etiology*; D006511:Hepatitis B Antigens / Q000032:analysis / Q000145:classification / Q000302:isolation & purification; D006801:Humans; D008297:Male; D008722:Methods; D009626:Terminology as Topic
chemical_list: D000939:Epitopes; D006511:Hepatitis B Antigens
vernacular_title: Etiologia i epidemiologia wirusowego zapalenia batroby typu B.