B-cell (or Ia) typing.
D001402:B-Lymphocytes / Q000276:immunology*; D000939:Epitopes; D005796:Genes; D008040:Genetic Linkage; D006649:Histocompatibility Antigens; D006650:Histocompatibility Testing
D000939:Epitopes; D006649:Histocompatibility Antigens