title: The significance of IgG4 subgroup antibodies in pollen immunity.
mesh_terms: D000485:Allergens / Q000032:analysis*; D000906:Antibodies / Q000032:analysis*; D001666:Binding Sites, Antibody; D006801:Humans; D007106:Immune Sera / Q000032:analysis; D007074:Immunoglobulin G / Q000032:analysis*; D006255:Rhinitis, Allergic, Seasonal / Q000276:immunology*
chemical_list: D000485:Allergens; D000906:Antibodies; D007106:Immune Sera; D007074:Immunoglobulin G