title: IgG subclass producing cells in respiratory mucosa of patients with frequent infections and lowered levels of serum IgG subclasses.
mesh_terms: D000328:Adult; D000907:Antibodies, Bacterial / Q000096:biosynthesis; D000921:Antibody-Producing Cells / Q000276:immunology* / Q000473:pathology; D001428:Bacterial Vaccines / Q000276:immunology; D004406:Dysgammaglobulinemia / Q000150:complications / Q000276:immunology* / Q000473:pathology; D006193:Haemophilus influenzae / Q000276:immunology; D006801:Humans; D017099:IgG Deficiency; D007074:Immunoglobulin G / Q000096:biosynthesis / Q000145:classification; D009092:Mucous Membrane / Q000276:immunology / Q000473:pathology; D012141:Respiratory Tract Infections / Q000209:etiology / Q000276:immunology* / Q000473:pathology
chemical_list: D000907:Antibodies, Bacterial; D001428:Bacterial Vaccines; D007074:Immunoglobulin G