title: Possible relationships among HL-A histocompatibility components.
mesh_terms: D003168:Complement Fixation Tests; D003601:Cytotoxicity Tests, Immunologic; D006649:Histocompatibility Antigens; D006650:Histocompatibility Testing; D006801:Humans; D007959:Lymphocyte Culture Test, Mixed
chemical_list: D006649:Histocompatibility Antigens