Lymphoma, B-CellB-LymphocytesLymphomaBurkitt LymphomaLymphocytesLymphoma, Non-HodgkinLymphoma, T-CellLymphocyte ActivationLymphoma, Large B-Cell, DiffuseLymphoma, FollicularTumor Cells, CulturedApoptosisT-LymphocytesLymphoma, B-Cell, Marginal ZoneReceptors, Antigen, B-CellLymphocyte SubsetsLymphoma, Mantle-CellLymphoma, T-Cell, CutaneousLymphocyte CountLymphoma, AIDS-RelatedLymphoma, T-Cell, PeripheralLymphoma, Large-Cell, AnaplasticSpleenHodgkin DiseaseHerpesvirus 4, HumanPalatine TonsilB-Lymphocyte SubsetsFlow CytometryAntibodies, MonoclonalCells, CulturedImmunoglobulin MLymph NodesImmunophenotypingAntigens, CDAntigens, CD20Leukocyte CountImmunoglobulinsLymphocyte Culture Test, MixedLymphoma, Large-Cell, ImmunoblasticMice, Inbred C57BLLymphocyte CooperationMice, Inbred BALB CRosette FormationLeukemia, LymphoidAntibodies, Monoclonal, Murine-DerivedCell LineMitogensLymphocytes, Tumor-InfiltratingPhytohemagglutininsLymphoid TissueImmunoglobulin DAntigens, CD5CD4-Positive T-LymphocytesImmunoglobulin Heavy ChainsAntigens, CD19Concanavalin AMolecular Sequence DataImmune Adherence ReactionAntibody FormationVincristineT-Lymphocytes, CytotoxicAntigens, Differentiation, B-LymphocyteClone CellsInterleukin-2Immunoglobulin GCytotoxicity, ImmunologicLymphocyte TransfusionLeukemia, Lymphocytic, Chronic, B-CellAntigens, SurfaceCell SeparationPrednisoneThymus GlandGenes, ImmunoglobulinBase SequenceB-Cell Activating FactorTranslocation, GeneticCell DivisionKiller Cells, NaturalCell DifferentiationAntigens, CD3ImmunohistochemistryAntibodies, Anti-IdiotypicT-Lymphocyte SubsetsCyclophosphamideGerminal CenterLymphocyte DepletionImmunity, CellularCD8-Positive T-LymphocytesPokeweed MitogensGene Rearrangement, B-LymphocyteLectinsBone MarrowAntigens, Differentiation, T-LymphocytePlasma CellsAntibody-Producing CellsLymphoma, Extranodal NK-T-CellPolymerase Chain ReactionEpstein-Barr Virus Nuclear AntigensImmunoglobulin mu-ChainsSignal Transduction