title: Epidemiological aspects of acute viral hepatitis in São Paulo, Brazil.
mesh_terms: D001938:Brazil; D005260:Female; D006510:Hepatitis B Antibodies / Q000032:analysis; D006511:Hepatitis B Antigens / Q000032:analysis; D006525:Hepatitis, Viral, Human / Q000175:diagnosis / Q000453:epidemiology* / Q000635:transmission; D006801:Humans; D008297:Male; D065227:Transfusion Reaction
chemical_list: D006510:Hepatitis B Antibodies; D006511:Hepatitis B Antigens