title: Distribution of ad and ay subtypes of hepatitis B surface antigen among hepatitis patients and symptomless carriers in Hungary.
abstract: A total of 176 HBsAg positive sera from acute and chronic hepatitis patients and symptomless carriers (blood donors) in Hungary were subtyped for ad and ay determinants. The distribution of ad and ay determinants in Hungary was found to be about the same. There were no significant differences among the groups tested.
mesh_terms: D002353:Carrier State / Q000276:immunology*; D000939:Epitopes; D006509:Hepatitis B / Q000276:immunology*; D006514:Hepatitis B Surface Antigens / Q000032:analysis*; D006801:Humans; D006814:Hungary
chemical_list: D000939:Epitopes; D006514:Hepatitis B Surface Antigens