Antibodies, HeterophileImmunoglobulin Heavy ChainsAntigens, HeterophileInfectious MononucleosisForssman AntigenCell DifferentiationImmunoconglutininsAntigensHemagglutination TestsLatex Fixation TestsFalse Positive ReactionsImmunoassayAntigens, BacterialAntigens, NeoplasmAntigens, SurfaceImmunoglobulin MImmunoglobulin GHerpesvirus 4, HumanReagent Kits, DiagnosticAntigens, ViralMolecular Sequence DataCells, CulturedAntibodies, ViralCell LineAntigens, CDAntigens, ProtozoanTranscription FactorsAntigens, Polyomavirus TransformingBase SequenceSignal TransductionAmino Acid SequenceHLA AntigensStem Cells