title: Proceedings: Hepatitis-B antigen and antibody in haemophiliacs.
mesh_terms: D000914:Antibodies, Viral / Q000302:isolation & purification*; D006467:Hemophilia A / Q000276:immunology*; D006511:Hepatitis B Antigens / Q000302:isolation & purification*; D006801:Humans
chemical_list: D000914:Antibodies, Viral; D006511:Hepatitis B Antigens