title: The role of histocompatibility antigens.
mesh_terms: D000818:Animals; D006084:Graft Rejection; D006680:HLA Antigens; D006649:Histocompatibility Antigens; D006801:Humans; D008285:Major Histocompatibility Complex
chemical_list: D006680:HLA Antigens; D006649:Histocompatibility Antigens