Antibodies, HeterophileAntigens, HeterophileInfectious MononucleosisForssman AntigenAntigensImmunoconglutininsHemagglutination TestsLatex Fixation TestsFalse Positive ReactionsImmunoassayAntigens, BacterialAntigens, NeoplasmReceptors, Antigen, B-CellAntigens, SurfaceImmunoglobulin MReceptors, Antigen, T-CellImmunoglobulin GHerpesvirus 4, HumanReagent Kits, DiagnosticAntigens, ViralAntibodies, ViralAntigens, CDT-LymphocytesAntigens, ProtozoanHLA AntigensB-LymphocytesAntigens, Polyomavirus TransformingAntigens, CD3Antibodies, Monoclonal