Plasma CellsAntibodiesLeukemia, Plasma CellAntibody SpecificityNeoplasms, Plasma CellAntibodies, ViralAntibodies, MonoclonalAntibodies, BacterialAntibody FormationPlasmaMultiple MyelomaAntibodies, NeutralizingFluorescent Antibody TechniqueParaproteinemiasAntibody AffinityGranuloma, Plasma CellPlasmacytomaB-LymphocytesImmunoglobulin MAntibodies, Anti-IdiotypicBinding Sites, AntibodyImmunoglobulin GImmunoglobulin AEpitopesMolecular Sequence DataHIV AntibodiesAntibodies, AntinuclearAntibodies, NeoplasmAntibodies, ProtozoanCross ReactionsAutoantibodiesSyndecan-1Mice, Inbred BALB CImmunoglobulinsAmino Acid SequenceCell MembraneCells, CulturedFlow CytometryCell LineAntigen-Antibody ReactionsTime FactorsRabbitsImmunohistochemistryAntibodies, FungalNeutralization TestsBone MarrowImmunoglobulin Light ChainsEnzyme-Linked Immunosorbent AssaySpleenCell DifferentiationGerminal CenterMonoclonal Gammopathy of Undetermined SignificanceAntigensMice, Inbred C57BLImmunoenzyme TechniquesAntibodies, BispecificAntigen-Antibody ComplexBase SequenceImmune SeraSingle-Chain AntibodiesImmunoglobulin Fab FragmentsAntibodies, BlockingImmunizationAntigens, CDRecombinant ProteinsImmunoglobulin Heavy ChainsPalatine TonsilBlotting, WesternImmunoglobulin Variable RegionRadioimmunoassayFluorescent Antibody Technique, IndirectB-Lymphocyte SubsetsAntigens, SurfaceAntibodies, HeterophileT-LymphocytesMembrane GlycoproteinsHybridomasAntibodies, CatalyticLymphocytesMolecular WeightBone Marrow CellsImmunoglobulin lambda-ChainsElectrophoresis, Polyacrylamide GelAntibodies, Monoclonal, HumanizedPlasma GasesAmyloidosisImmunoglobulin kappa-ChainsMicroscopy, ElectronAntigens, CD20Plasma Cell Granuloma, PulmonaryBiological MarkersMembrane ProteinsRNA, MessengerLiverCattleLymphocyte ActivationAntibody-Producing CellsAntigens, CD19SyndecansImmunoblotting