Antibodies, HeterophileAntigens, HeterophileInfectious MononucleosisForssman AntigenComplement ActivationComplement C3ImmunoconglutininsAntigensComplement System ProteinsHemagglutination TestsLatex Fixation TestsFalse Positive ReactionsComplement C4ImmunoassayAntigens, BacterialComplement C5Antigens, NeoplasmImmunoglobulin GReceptors, ComplementAntigens, SurfaceComplement C3bImmunoglobulin MComplement C1qComplement Pathway, AlternativeHerpesvirus 4, HumanReagent Kits, DiagnosticComplement C9Complement Pathway, ClassicalAntigens, ViralComplement Membrane Attack ComplexComplement Inactivator ProteinsComplement C2Complement Factor BComplement Factor HComplement Inactivating AgentsAntibodies, ViralComplement C3aComplement C5aReceptors, Complement 3bComplement C6Complement C1Complement Fixation TestsComplement C4bComplement Activating EnzymesComplement C3dComplement C3-C5 ConvertasesAntigens, ProtozoanComplement C7Complement C8Antigens, Polyomavirus TransformingHLA AntigensComplement C3cAntigens, CD