Neutralization TestsAntibodies, NeutralizingAntibodies, ViralAntibodiesAntibody SpecificityAntibodies, MonoclonalAntibodies, BacterialHIV AntibodiesAntibody FormationEpitopesAntibody AffinityFluorescent Antibody TechniqueBinding Sites, AntibodyCross ReactionsAntibodies, Anti-IdiotypicMolecular Sequence DataImmune SeraAntigens, ViralAmino Acid SequenceEpitope MappingHIV Envelope Protein gp120Immunoglobulin GAntibodies, ProtozoanAntibodies, NeoplasmMice, Inbred BALB CAntigen-Antibody ReactionsAntibodies, AntinuclearImmunoglobulin MEnzyme-Linked Immunosorbent AssayCell LineImmunoglobulin Fab FragmentsViral Envelope ProteinsHIV-1Antigen-Antibody ComplexAntibodies, BlockingRabbitsAutoantibodiesSingle-Chain AntibodiesAntibodies, FungalHemagglutination Inhibition TestsAntibodies, BispecificImmunization, PassiveImmunizationImmunoglobulin AHybridomasRecombinant ProteinsAntibodies, HeterophileCells, CulturedComplement Fixation TestsHIV Envelope Protein gp41Epitopes, B-LymphocyteFluorescent Antibody Technique, IndirectViral VaccinesAntibodies, CatalyticAntigens, CD4Antigens, Bacterialenv Gene Products, Human Immunodeficiency VirusAntibodies, Monoclonal, HumanizedImmunoenzyme TechniquesAntigensHemagglutination TestsRotavirusBase SequenceCapsid ProteinsMice, Inbred C57BLBlotting, WesternPeptide FragmentsGlycoproteinsImmunoglobulin FragmentsImmunoassayCattleVaccinationCapsidAntibodies, AntiphospholipidComplement System ProteinsT-LymphocytesViral Plaque AssayAntigens, SurfaceSeroepidemiologic StudiesMolecular WeightRadioimmunoassayTime FactorsHIV AntigensSpecies SpecificityB-LymphocytesAntitoxinsImmunohistochemistryElectrophoresis, Polyacrylamide GelImmunoblottingAIDS VaccinesPeptide LibrarySerotypingViral ProteinsHepatitis C AntibodiesVirionFlow CytometryDose-Response Relationship, ImmunologicSensitivity and SpecificityBinding, CompetitivePeptides