Rats, Inbred LewRats, Inbred BNAnimals, CongenicRats, Inbred F344Coronavirus, RatVesicle-Associated Membrane Protein 1Rats, Inbred StrainsRats, Inbred WFHistocompatibility AntigensOrganogold CompoundsDimercaprolArthritisSpecies SpecificityMercuric ChlorideMycoplasma InfectionsMycoplasmaGraft RejectionIsoantibodiesMajor Histocompatibility ComplexArthritis, ExperimentalBenzyl CompoundsChromosomes, MammalianTransplantation, HomologousAzaserineParvovirusDisease SusceptibilityRodent DiseasesPneumonia, MycoplasmaRats, Mutant StrainsGraft SurvivalPhosphoglycerate MutaseHeart Transplantation