title: A survey of hepatitis in laboratories.
mesh_terms: D006467:Hemophilia A; D006505:Hepatitis / Q000453:epidemiology*; D006506:Hepatitis A / Q000453:epidemiology; D006509:Hepatitis B / Q000453:epidemiology; D006511:Hepatitis B Antigens; D006801:Humans; D007757:Laboratory Infection / Q000453:epidemiology*; D006435:Renal Dialysis; D019966:Substance-Related Disorders; D014180:Transplantation
chemical_list: D006511:Hepatitis B Antigens