title: Linear and nonlinear HL-A9 subdivisions generated by serial dilution.
mesh_terms: D000042:Absorption; D000918:Antibody Specificity; D003429:Cross Reactions; D003601:Cytotoxicity Tests, Immunologic; D000939:Epitopes; D006649:Histocompatibility Antigens / Q000145:classification*; D006650:Histocompatibility Testing; D006801:Humans; D007106:Immune Sera; D007201:Indicator Dilution Techniques; D008214:Lymphocytes / Q000145:classification / Q000276:immunology
chemical_list: D000939:Epitopes; D006649:Histocompatibility Antigens; D007106:Immune Sera