title: Letter: Safe use of 125I-fibrinogen not proven.
mesh_terms: D001782:Blood Donors; D005340:Fibrinogen; D006386:Hemagglutination Tests; D006509:Hepatitis B / Q000209:etiology* / Q000276:immunology; D006511:Hepatitis B Antigens / Q000032:analysis; D006801:Humans; D007111:Immunity, Cellular; D005779:Immunodiffusion; D007456:Iodine Isotopes; D065227:Transfusion Reaction
chemical_list: D006511:Hepatitis B Antigens; D007456:Iodine Isotopes; D005340:Fibrinogen