title: Epidemiology of serum hepatitis.
mesh_terms: D000328:Adult; D001782:Blood Donors; D002648:Child; D003718:Denmark; D004739:England; D005260:Female; D006509:Hepatitis B / Q000097:blood / Q000453:epidemiology* / Q000276:immunology / Q000401:mortality / Q000517:prevention & control / Q000635:transmission; D006511:Hepatitis B Antigens / Q000032:analysis; D006801:Humans; D008297:Male; D010564:Personnel, Hospital; D011247:Pregnancy; D012737:Sex Factors; D019966:Substance-Related Disorders; D013548:Sweden; D013997:Time Factors; D014481:United States
chemical_list: D006511:Hepatitis B Antigens