title: Letter: Hepatitis in selective IgA deficiency?
mesh_terms: D000906:Antibodies / Q000032:analysis; D000917:Antibody Formation; D006386:Hemagglutination Tests; D006505:Hepatitis / Q000276:immunology*; D006511:Hepatitis B Antigens / Q000032:analysis; D006801:Humans; D017098:IgA Deficiency; D011863:Radioimmunoassay
chemical_list: D000906:Antibodies; D006511:Hepatitis B Antigens