Antibody-Dependent EnhancementAntibody-Dependent Cell CytotoxicityAntibodies, MonoclonalAntibodiesAntibody SpecificityImmunoglobulin GAntibodies, ViralKiller Cells, NaturalAntibodies, BacterialCytotoxicity, ImmunologicEpitopesAntibodies, NeutralizingFluorescent Antibody TechniqueAntibody FormationAntibody AffinityBinding Sites, AntibodyCross ReactionsAntibodies, Anti-IdiotypicHybridomasMice, Inbred BALB C