AbsorptionIntestinal AbsorptionAntigensProtozoan InfectionsAntigens, BacterialAntigens, NeoplasmAntigens, SurfaceAntigens, ViralProtozoan ProteinsAntigens, ProtozoanEukaryotaDNA, ProtozoanCiliophoraGenes, ProtozoanRNA, ProtozoanAntigens, Polyomavirus TransformingHLA AntigensAntigens, FungalAntigens, CDGenome, ProtozoanProtozoan Infections, AnimalAntigens, HelminthH-2 AntigensMolecular Sequence DataCarcinoembryonic AntigenSkin AbsorptionAntigens, Viral, TumorEntamoeba histolyticaBiological AvailabilityAntibodies, MonoclonalHLA-DR AntigensReceptors, Antigen, T-CellAmino Acid SequenceGiardia lambliaTrypanosoma cruziHistocompatibility AntigensEpitopesProliferating Cell Nuclear AntigenLeishmaniaHistocompatibility Antigens Class IIO AntigensJejunumFecesProstate-Specific AntigenSpectrophotometry, AtomicReceptors, Antigen, B-CellX-Ray Absorption SpectroscopyT-LymphocytesEnzyme-Linked Immunosorbent AssayCross ReactionsMice, Inbred BALB CAntibodies, ProtozoanImmunoglobulin GAntigens, CD15TrypanosomaToxoplasmaAntiprotozoal AgentsAntigens, Tumor-Associated, CarbohydrateAlveolataApicomplexaTetrahymena pyriformisHLA-A2 AntigenTrypanosoma brucei bruceiAntigens, CD8Intestinal Diseases, ParasiticFluorescent Antibody TechniqueSpectrophotometryKinetoplastidaBase SequenceBlood Group AntigensProtozoan VaccinesIronAntibody SpecificityImmune SeraRumenHepatitis B Surface AntigensAntigens, CD3Intestine, SmallTrypanosomatinaHistocompatibility Antigens Class IHLA-A AntigensLymphocyte ActivationCell LineTrichomonasLeishmania majorParasitesAdministration, OralKineticsAntigen-Antibody ReactionsIntestinesSpectrum AnalysisHartmannellaHLA-D AntigensRabbitsMolecular WeightEntamoebaReceptors, AntigenTime FactorsCrithidiaAntibodies, Bacterial