title: Persistence of the serum hepatitis (SH-Australia) antigen for many years.
mesh_terms: D000941:Antigens / Q000032:analysis*; D001315:Australia; D001803:Blood Transfusion; D002353:Carrier State / Q000175:diagnosis*; D006509:Hepatitis B / Q000276:immunology*; D006801:Humans; D005779:Immunodiffusion; D013995:Time; D013997:Time Factors
chemical_list: D000941:Antigens