Antibodies, HeterophileForssman AntigenAntigens, HeterophileImmunoglobulin Heavy ChainsInfectious MononucleosisAntigens, Polyomavirus TransformingAntigensAntigens, Viral, TumorImmunoconglutininsHemagglutination TestsAntigens, BacterialSimian virus 40Latex Fixation TestsAntigens, NeoplasmFalse Positive ReactionsAntigens, SurfaceImmunoassayAntigens, ViralPolyomavirusImmunoglobulin GImmunoglobulin MHerpesvirus 4, HumanReagent Kits, DiagnosticAntigens, ProtozoanMolecular Sequence DataHLA AntigensAntibodies, ViralDNA, ViralAntigens, FungalAntigens, CDAntigens, HelminthH-2 AntigensProtein BindingAntibodies, MonoclonalCarcinoembryonic AntigenHistocompatibility AntigensHLA-DR AntigensEpitopesReceptors, Antigen, T-CellHistocompatibility Antigens Class II