title: Detection of hepatitis-B surface antigen in blood and blood products dried on filter paper.
mesh_terms: D001792:Blood Platelets / Q000276:immunology; D001793:Blood Preservation; D001801:Blood Stains; D004912:Erythrocytes / Q000276:immunology; D005374:Filtration / Q000295:instrumentation*; D005612:Freeze Drying; D006514:Hepatitis B Surface Antigens / Q000302:isolation & purification*; D006801:Humans; D007158:Immunologic Techniques; D010209:Paper; D010949:Plasma / Q000276:immunology; D013997:Time Factors
chemical_list: D006514:Hepatitis B Surface Antigens