Immunologic TechniquesImmunodiffusionAntibodiesCross ReactionsImmune SeraFluorescent Antibody TechniqueImmunoelectrophoresisImmunoassayAntibody SpecificityAntigensEpitopesAntibodies, ViralAntibodies, BacterialAntibodies, MonoclonalMolecular Sequence DataElectrophoresis, Polyacrylamide GelMolecular WeightAntibody FormationAntibodies, NeutralizingAntibody AffinityAntibodies, Anti-IdiotypicBinding Sites, AntibodyHIV AntibodiesAntibodies, NeoplasmAntibodies, ProtozoanAntibodies, AntinuclearImmunoglobulin MAutoantibodiesAntibodies, FungalNeutralization TestsAntigen-Antibody ReactionsAntibodies, BispecificSingle-Chain AntibodiesMice, Inbred BALB CImmunoglobulin GAmino Acid SequenceAntibodies, BlockingAntigen-Antibody ComplexImmunoglobulin Fab FragmentsAntibodies, HeterophileAntibodies, CatalyticImmunoglobulin ARabbitsAntibodies, Monoclonal, HumanizedFluorescent Antibody Technique, IndirectTime FactorsSymptom AssessmentHybridomasDepressionEpitope MappingAntibodies, AntiphospholipidImmunizationEnzyme-Linked Immunosorbent AssayImmunoenzyme TechniquesCell LineAntigens, BacterialRecombinant ProteinsAntigens, SurfaceImmunization, PassiveSeverity of Illness IndexBlotting, WesternImmunohistochemistryTreatment OutcomeImmunoglobulin FragmentsQuestionnairesAntigens, ViralSensitivity and SpecificityImmunoblottingCells, CulturedRadioimmunoassayB-LymphocytesComplement Fixation TestsAntibodies, Antineutrophil CytoplasmicSeroepidemiologic StudiesHemagglutination Inhibition TestsBase SequenceHemagglutination TestsBehavioral SymptomsT-LymphocytesPrevalenceImmunoglobulin Variable RegionProspective StudiesPsychiatric Status Rating ScalesImmunoglobulin IdiotypesAntigens, NeoplasmImmunosorbent TechniquesCattleFollow-Up StudiesHaptensAntibody DiversityImmunoglobulinsFlow CytometryPeptide LibraryVaccinationImmunoglobulin IsotypesIsoantibodiesAntibodies, Monoclonal, Murine-DerivedHepatitis C AntibodiesGlycoproteinsRisk Factors