title: Letter: HL-A antigens in asymptomatic chronic HBAg carriers.
mesh_terms: D001782:Blood Donors; D002353:Carrier State; D006680:HLA Antigens / Q000302:isolation & purification*; D006511:Hepatitis B Antigens; D006515:Hepatitis B virus / Q000276:immunology*; D006649:Histocompatibility Antigens / Q000302:isolation & purification*; D006801:Humans
chemical_list: D006680:HLA Antigens; D006511:Hepatitis B Antigens; D006649:Histocompatibility Antigens