title: Functional distinctions among the products of different class II subregions.
mesh_terms: D000911:Antibodies, Monoclonal; D001402:B-Lymphocytes / Q000276:immunology; D000939:Epitopes; D005802:Genes, MHC Class II; D006684:HLA-DR Antigens; D000949:Histocompatibility Antigens Class II / Q000502:physiology*; D006801:Humans
chemical_list: D000911:Antibodies, Monoclonal; D000939:Epitopes; D006684:HLA-DR Antigens; D000949:Histocompatibility Antigens Class II