title: On the rare ayr phenotype of hepatitis B Antigen.
mesh_terms: D002353:Carrier State / Q000097:blood*; D000939:Epitopes; D006511:Hepatitis B Antigens / Q000032:analysis*; D009154:Mutation; D009512:New Guinea; D010641:Phenotype; D011995:Recombination, Genetic
chemical_list: D000939:Epitopes; D006511:Hepatitis B Antigens