Antibodies, HeterophileImmunoglobulin Heavy ChainsAntigens, HeterophileInfectious MononucleosisForssman AntigenAntibodies, MonoclonalAntigensImmunoconglutininsHemagglutination TestsLatex Fixation TestsFalse Positive ReactionsImmunoassayAntigens, BacterialAntigens, NeoplasmAntigens, SurfaceImmunoglobulin GImmunoglobulin MAntigens, ViralHerpesvirus 4, HumanReagent Kits, DiagnosticAntibodies, ViralEpitopesAntibody SpecificityMolecular Sequence DataAntigens, CDAntigens, ProtozoanCross ReactionsAmino Acid SequenceAntigens, Polyomavirus TransformingHLA AntigensMice, Inbred BALB CEnzyme-Linked Immunosorbent AssayAntigens, Fungal