title: HLA class-II restriction of antigen-specific T-cell activation. With special reference to the fine specificity and immunoregulation of HLA class-II restriction elements.
mesh_terms: D000938:Antigen-Presenting Cells / Q000276:immunology; D000941:Antigens / Q000276:immunology; D006680:HLA Antigens / Q000145:classification / Q000276:immunology*; D006682:HLA-DP Antigens; D006684:HLA-DR Antigens; D000949:Histocompatibility Antigens Class II / Q000276:immunology; D006801:Humans; D008213:Lymphocyte Activation; D013601:T-Lymphocytes / Q000276:immunology*
chemical_list: D000941:Antigens; D006680:HLA Antigens; D006682:HLA-DP Antigens; D006684:HLA-DR Antigens; D000949:Histocompatibility Antigens Class II