Antibodies, HeterophileAntigens, HeterophileInfectious MononucleosisForssman AntigenAntigensAntigens, BacterialImmunoconglutininsAntigens, NeoplasmAntigens, SurfaceHemagglutination TestsLatex Fixation TestsFalse Positive ReactionsAntigens, ViralImmunoassaySubstance PImmunoglobulin GAntigens, ProtozoanImmunoglobulin MAntigens, Polyomavirus TransformingHerpesvirus 4, HumanHLA AntigensReagent Kits, DiagnosticAntigens, FungalAntigens, CDAntigens, HelminthH-2 AntigensAntibodies, ViralCarcinoembryonic AntigenAntigens, Viral, TumorHLA-DR AntigensReceptors, Antigen, T-CellAntibodies, MonoclonalHistocompatibility AntigensProliferating Cell Nuclear AntigenHistocompatibility Antigens Class IIProstate-Specific AntigenEpitopesO AntigensReceptors, Antigen, B-CellAntigens, CD15Antigens, Tumor-Associated, CarbohydrateHLA-A2 AntigenT-LymphocytesAntigens, CD8Blood Group AntigensEnzyme-Linked Immunosorbent Assay