IgG DeficiencyImmunoglobulin GAntibodiesAntibodies, BacterialAntibodies, ViralAntibody SpecificityAntibody FormationAntibodies, MonoclonalAntibodies, NeutralizingSerumImmunoglobulin MEnzyme-Linked Immunosorbent AssayImmunoglobulin AAntibody AffinityFluorescent Antibody TechniqueAntibodies, Anti-IdiotypicCross ReactionsAutoantibodiesAntibodies, ProtozoanEpitopesBinding Sites, AntibodyAntibodies, NeoplasmHIV AntibodiesAntibodies, AntinuclearImmunizationMice, Inbred BALB CNeutralization TestsAntibodies, FungalSerum AlbuminAntigens, BacterialMolecular Sequence DataReceptors, IgGAntigen-Antibody ReactionsImmune SeraVitamin A DeficiencyAmino Acid SequenceRabbitsImmunoglobulin IsotypesDeficiency DiseasesImmunization, PassiveHemagglutination Inhibition TestsTime FactorsSeroepidemiologic StudiesImmunoglobulinsMice, Inbred C57BLVaccinationAntigensalpha 1-Antitrypsin DeficiencyAntigen-Antibody ComplexRadioimmunoassayVitamin B 12 DeficiencyImmunoglobulin Fab FragmentsBacterial VaccinesImmunoassayRecombinant ProteinsSerum Albumin, BovineCattleB-LymphocytesAntigens, ViralSensitivity and SpecificityFluorescent Antibody Technique, IndirectHemagglutination TestsCells, CulturedImmunoenzyme TechniquesImmunity, Maternally-AcquiredIgA DeficiencyBlotting, WesternCell LineComplement Fixation TestsEpitope MappingAntibodies, BispecificMice, KnockoutImmunoblottingDisease Models, AnimalSerologic TestsSpleenPolysaccharides, BacterialAntibodies, BlockingBiological MarkersVitamin D DeficiencySingle-Chain AntibodiesT-LymphocytesBase SequenceAntibodies, HeterophileAdministration, IntranasalFolic Acid DeficiencyAntigens, SurfaceImmunoglobulin A, SecretoryElectrophoresis, Polyacrylamide GelViral VaccinesMolecular WeightImmunoglobulin ECattle DiseasesImmunodiffusionThiamine DeficiencyAntibodies, CatalyticVaccines, SyntheticInfluenza VaccinesImmunohistochemistryErythrocytes