Mice, CongenicMice, Inbred C57BLAnimals, CongenicMice, KnockoutChromosomes, MammalianCrosses, GeneticQuantitative Trait LociMice, Inbred StrainsChromosome MappingRats, Inbred DahlH-2 AntigensRats, Inbred BNMice, Inbred BALB CMice, Inbred DBASpecies SpecificityMice, Inbred NODGenetic LinkagePhenotypeMajor Histocompatibility ComplexMice, Inbred C3HGenetic Predisposition to DiseaseSpleenMice, Inbred ADisease SusceptibilityGenetic MarkersAllelesMice, Inbred AKRMice, Inbred NZBQuantitative Trait, HeritableMice, Mutant StrainsDisease Models, AnimalRats, Inbred LewImmunoglobulin AllotypesRats, Mutant StrainsGenotypeT-LymphocytesHistocompatibility Antigens