[Long-term observation of HBsAg positive patients and carriers (author's transl)].
D002353:Carrier State / Q000276:immunology*; D005500:Follow-Up Studies; D006509:Hepatitis B / Q000276:immunology*; D006514:Hepatitis B Surface Antigens / Q000032:analysis*; D006801:Humans
D006514:Hepatitis B Surface Antigens