title: Structural and functional studies of HLA class II antigens.
mesh_terms: D000939:Epitopes; D006680:HLA Antigens / Q000502:physiology*; D000949:Histocompatibility Antigens Class II / Q000276:immunology; D006801:Humans; D007959:Lymphocyte Culture Test, Mixed; D011487:Protein Conformation
chemical_list: D000939:Epitopes; D006680:HLA Antigens; D000949:Histocompatibility Antigens Class II