Blood DonorsHLA AntigensIsoantibodiesHistocompatibility TestingAntigensHLA-B27 AntigenHLA-B44 AntigenHLA-B AntigensAntigens, BacterialTissue DonorsAntigens, NeoplasmAntigens, SurfaceAntigens, ViralHLA-B8 AntigenBlood BanksLiving DonorsSpondylitis, AnkylosingHLA-B37 AntigenSeroepidemiologic StudiesArthritis, ReactiveEnzyme-Linked Immunosorbent AssayHepatitis B Surface AntigensHLA-A AntigensDonor SelectionHLA-DR AntigensAccounts Payable and ReceivableBlood TransfusionBlood SafetyUveitis, AnteriorEpitopesAntigens, Polyomavirus TransformingAntigens, CDHepatitis BImmunoglobulin GHepatitis CMolecular Sequence DataHLA-B35 AntigenAntigens, FungalHepatitis C AntibodiesH-2 AntigensSacroiliac JointCross ReactionsAntibodies, BacterialHLA-C AntigensAntigens, HelminthHistocompatibility Antigens Class IHLA-B7 AntigenHepatitis B Core AntigensSpondylarthropathiesHistocompatibility Antigens Class IIHepatitis B AntigensAntibodies, MonoclonalHLA-A2 AntigenBrassicaAntibodies, ViralT-LymphocytesAntigens, Viral, TumorHistocompatibility AntigensHepatitis, Viral, HumanAwards and PrizesPolymerase Chain ReactionBlood Group AntigensT-Lymphocytes, CytotoxicAmino Acid SequenceHTLV-II InfectionsHLA-DQ AntigensImmunoglobulin MHepatitis B AntibodiesReceptors, Antigen, T-CellAllelesTorque teno virusSkin Window TechniqueLymphoma, Large-Cell, ImmunoblasticDNA Virus InfectionsHepatitis AntibodiesAutoantibodiesImmunoenzyme TechniquesAntibody SpecificityHLA-D AntigensProliferating Cell Nuclear AntigenSensitivity and SpecificityHIV Long-Term SurvivorsHepatitis B virusLymphocyte ActivationPrevalenceGenotypeReceptors, Antigen, B-CellO AntigensProstate-Specific AntigenCD8-Positive T-LymphocytesHemagglutination TestsAntigens, CD8DNA, ViralArthritis, InfectiousHepacivirusBase SequenceFluorescent Antibody TechniqueImmunoglobulin AAntigens, CD15Brazil