title: Letter: Factor-VIII concentrate and hepatitis.
mesh_terms: D004586:Electrophoresis; D005169:Factor VIII / Q000032:analysis; D006509:Hepatitis B / Q000276:immunology / Q000635:transmission*; D006511:Hepatitis B Antigens / Q000302:isolation & purification*; D006801:Humans; D011863:Radioimmunoassay
chemical_list: D006511:Hepatitis B Antigens; D005169:Factor VIII