AntigensAntigens, BacterialAntigens, NeoplasmAntigens, SurfaceAntigens, ViralGenetic VariationAntigens, ProtozoanPhylogenyBiodiversityAntigens, Polyomavirus TransformingHLA AntigensMolecular Sequence DataAntigens, FungalAntigens, CDAntigens, HelminthH-2 AntigensCarcinoembryonic AntigenSequence Analysis, DNAAntigens, Viral, TumorReceptors, Antigen, T-CellHLA-DR AntigensAntibodies, MonoclonalHistocompatibility AntigensProliferating Cell Nuclear AntigenEpitopesHistocompatibility Antigens Class IIO AntigensReceptors, Antigen, B-CellBase SequenceProstate-Specific AntigenAmino Acid SequenceSpecies SpecificityT-LymphocytesAntigens, CD15Antigens, Tumor-Associated, CarbohydrateHLA-A2 AntigenCultural DiversityAntigens, CD8Enzyme-Linked Immunosorbent AssayEcosystemCross ReactionsImmunoglobulin GBlood Group AntigensHepatitis B Surface AntigensAntigens, CD3GeographyHLA-A AntigensMice, Inbred BALB CHistocompatibility Antigens Class IPolymerase Chain ReactionAntibody SpecificityReceptors, AntigenLymphocyte ActivationEvolution, MolecularHLA-D AntigensAntigens, CD45Antigens, CD4Hepatitis B AntigensAntibody DiversityCell LineFluorescent Antibody TechniqueAntigen-Antibody ReactionsAntibodies, BacterialBacteriaGenetics, PopulationAntigens, CD1RNA, Ribosomal, 16SAntibody FormationImmune SeraHLA-B AntigensCluster AnalysisDNA, BacterialB-LymphocytesImmunizationGenotypeAntigens, DifferentiationMicrosatellite RepeatsMART-1 AntigenBiological EvolutionHIV AntigensMice, Inbred C57BLAntigens, CD80PhylogeographyImmunoenzyme TechniquesEpstein-Barr Virus Nuclear AntigensAllelesHaplotypesDNA, RibosomalReceptors, Antigen, T-Cell, alpha-betaSpleenAntigens, CD19Bacterial ProteinsPhenotypeAntibodiesHepatitis B Core AntigensAntigens, HeterophileImmunoglobulin MPolymorphism, GeneticAutoantigensCells, Cultured