Four approaches to estimating number of histocompatibility loci.
D000483:Alleles; D000818:Animals; D000906:Antibodies; D000941:Antigens; D002875:Chromosomes; D003433:Crosses, Genetic; D005796:Genes; D006084:Graft Rejection; D006648:Histocompatibility; D007125:Immunogenetics; D008722:Methods; D051379:Mice; D008815:Mice, Inbred Strains; D009154:Mutation; D014181:Transplantation Immunology
D000906:Antibodies; D000941:Antigens