HLA AntigensPolymorphism, GeneticPolymorphism, Single NucleotideAntigensHLA-B27 AntigenHLA-B44 AntigenHLA-B AntigensAntigens, BacterialAllelesGenetic Predisposition to DiseaseAntigens, NeoplasmGene FrequencyAntigens, SurfaceAntigens, ViralGenetic VariationHLA-B8 AntigenHaplotypesMolecular Sequence DataGenotypeSpondylitis, AnkylosingHLA-B37 AntigenCase-Control StudiesArthritis, ReactivePolymerase Chain ReactionBase SequenceHLA-DR AntigensHLA-A AntigensAntigens, ProtozoanAmino Acid SequenceGenetic Association StudiesUveitis, AnteriorAntigens, Polyomavirus TransformingEpitopesAntigens, CDAsian Continental Ancestry GroupPolymorphism, Single-Stranded ConformationalHistocompatibility TestingSequence Analysis, DNAPhenotypeHLA-B35 AntigenHLA-C AntigensAntigens, FungalLinkage DisequilibriumH-2 AntigensSacroiliac JointAntigens, HelminthHLA-B7 AntigenMutationSpondylarthropathiesHistocompatibility Antigens Class IHistocompatibility Antigens Class IIHLA-DQ AntigensCross ReactionsAntibodies, MonoclonalCarcinoembryonic AntigenHomozygoteAntigens, Viral, TumorHistocompatibility AntigensHLA-B51 AntigenAwards and PrizesRisk FactorsGenetic MarkersReceptors, Antigen, T-CellHLA-A2 AntigenSkin Window TechniqueT-Lymphocytes, CytotoxicEuropean Continental Ancestry GroupGenome-Wide Association StudyCell LineExonsHLA-D AntigensT-LymphocytesDNA PrimersProliferating Cell Nuclear AntigenHeterozygoteHIV Long-Term SurvivorsPromoter Regions, GeneticEnzyme-Linked Immunosorbent AssayProstate-Specific AntigenAmino Acid SubstitutionO AntigensReceptors, Antigen, B-CellChinaDNAChromosome MappingImmunoglobulin GAntibodies, BacterialDNA Mutational AnalysisArthritis, InfectiousAntigens, CD8Genetic LinkageBlood Group AntigensHLA-DRB1 ChainsMethylenetetrahydrofolate Reductase (NADPH2)Antigens, CD15Epitopes, T-LymphocyteAntigens, Tumor-Associated, CarbohydrateCD8-Positive T-LymphocytesHLA-DQ beta-ChainsMice, Inbred BALB C