Serologic TestsAntigensAntigens, BacterialAntigens, NeoplasmAntigens, SurfaceAntigens, ViralComplement Fixation TestsEnzyme-Linked Immunosorbent AssayAgglutination TestsSyphilis SerodiagnosisAntibodies, BacterialAntigens, ProtozoanBrucellosis, BovineSensitivity and SpecificityHemagglutination TestsAntigens, FungalSyphilisImmunoglobulin GAntigens, Polyomavirus TransformingAntigens, HelminthHLA AntigensImmunoglobulin MBrucellosisCross ReactionsAntigens, CDFlocculation TestsFluorescent Antibody TechniqueH-2 AntigensImmunodiffusionRose BengalBrucellaAntibodies, ProtozoanCarcinoembryonic AntigenAntigens, Viral, TumorAntibodies, ViralEpitopesFalse Positive ReactionsChagas DiseaseAntibodies, MonoclonalCounterimmunoelectrophoresisHLA-DR AntigensReceptors, Antigen, T-CellEvaluation Studies as TopicReagent Kits, DiagnosticAntibodies, HelminthHistocompatibility AntigensProliferating Cell Nuclear AntigenImmunoenzyme TechniquesAntibody SpecificityImmune SeraHistocompatibility Antigens Class IITreponemal InfectionsAntigen-Antibody ReactionsProstate-Specific AntigenO AntigensReceptors, Antigen, B-CellSyphilis, CongenitalTrypanosoma cruziLatex Fixation TestsImmunoglobulin ABrucella abortusTreponema Immobilization TestAntigens, CD15Antigens, Tumor-Associated, CarbohydrateSeroepidemiologic StudiesAntibodiesImmunologic TestsHLA-A2 AntigenAntibodies, FungalMolecular Sequence DataAntigens, CD8T-LymphocytesTreponema pallidumLyme DiseaseBlood Group AntigensHepatitis B Surface AntigensPolymerase Chain ReactionAntigens, CD3CoccidioidomycosisImmunoassayAntibody FormationHLA-A AntigensLeishmaniasis, VisceralFluorescent Antibody Technique, IndirectHistocompatibility Antigens Class IMice, Inbred BALB CCattleReaginsBrucella melitensisCattle DiseasesLymphocyte ActivationHLA-D AntigensReceptors, AntigenToxoplasmosisAntigens, CD45Hepatitis B AntigensHemagglutination Inhibition TestsAntigens, CD4Amino Acid SequenceWeil Disease