AntigensProtozoan InfectionsSensitivity and SpecificityAntigens, BacterialAntigens, NeoplasmAntigens, SurfaceSubstrate SpecificityAntigens, ViralProtozoan ProteinsAntigens, ProtozoanEukaryotaDNA, ProtozoanMolecular Sequence DataCiliophoraAntibody SpecificityGenes, ProtozoanRNA, ProtozoanAmino Acid SequenceAntigens, Polyomavirus TransformingHLA AntigensAntigens, FungalAntigens, CDAntigens, HelminthH-2 AntigensGenome, ProtozoanProtozoan Infections, AnimalAntibodies, MonoclonalBase SequenceEpitopesCarcinoembryonic AntigenSpecies SpecificityEntamoeba histolyticaAntigens, Viral, TumorEnzyme-Linked Immunosorbent AssayReceptors, Antigen, T-CellHLA-DR AntigensTrypanosoma cruziHistocompatibility AntigensCross ReactionsGiardia lambliaImmunoglobulin GProliferating Cell Nuclear AntigenHistocompatibility Antigens Class IILeishmaniaT-LymphocytesMice, Inbred BALB CProstate-Specific AntigenO AntigensReceptors, Antigen, B-CellAntibodies, ProtozoanCell LineAntigens, Tumor-Associated, CarbohydrateAntigens, CD15ToxoplasmaHLA-A2 AntigenTrypanosomaApicomplexaTrypanosoma brucei bruceiAlveolataRecombinant ProteinsFluorescent Antibody TechniqueAntigens, CD8Antiprotozoal AgentsTetrahymena pyriformisBlood Group AntigensBinding SitesKinetoplastidaKineticsCloning, MolecularLymphocyte ActivationIntestinal Diseases, ParasiticAntigens, CD3Immune SeraProtozoan VaccinesHepatitis B Surface AntigensHLA-A AntigensAntigen-Antibody ReactionsProtein BindingAntibodies, BacterialSequence Homology, Amino AcidHistocompatibility Antigens Class ITrypanosomatinaParasitesPolymerase Chain ReactionTrichomonasLeishmania majorMolecular WeightModels, MolecularHLA-D AntigensAntibody FormationReceptors, AntigenHartmannellaSequence AlignmentCrithidiaAntigens, CD4ImmunizationEntamoebaAntigens, CD45Cells, CulturedElectrophoresis, Polyacrylamide Gel