Lymphocyte CooperationLymphocytesLymphocyte ActivationAntibodiesAntibody SpecificityT-LymphocytesAntibodies, MonoclonalLymphocyte SubsetsAntibodies, ViralLymphocyte CountAntibodies, BacterialB-LymphocytesAntibody FormationAntibodies, NeutralizingFluorescent Antibody TechniqueCells, CulturedLymphocyte Culture Test, MixedSpleenGame TheoryEpitopesMice, Inbred BALB CAntibodies, Anti-IdiotypicBinding Sites, AntibodyFlow CytometryLymphocytes, Tumor-InfiltratingAntibody AffinityPhytohemagglutininsT-Lymphocytes, CytotoxicMolecular Sequence DataCD4-Positive T-LymphocytesCytotoxicity, ImmunologicImmunoglobulin MLymphocyte TransfusionCooperative BehaviorConcanavalin ALeukocyte CountCell LineMice, Inbred C57BLInterleukin-2Antigens, SurfaceAntigens, CDImmunoglobulin GAmino Acid SequenceImmunity, CellularAntigens, CD3Antibodies, NeoplasmCD8-Positive T-LymphocytesHIV AntibodiesT-Lymphocyte SubsetsCross ReactionsAntigensMitogensLymph NodesLymphocyte DepletionAntibodies, AntinuclearAntibodies, ProtozoanAntigen-Antibody ReactionsImmunoglobulinsRosette FormationReceptors, Lymphocyte HomingLymphocyte Function-Associated Antigen-1AutoantibodiesKiller Cells, NaturalThymus GlandInterferon-gammaAntigens, Differentiation, T-LymphocyteTime FactorsCytotoxicity Tests, ImmunologicLectinsBase SequenceReceptors, Antigen, B-CellImmunizationImmunophenotypingCell SeparationCell DivisionMice, Inbred StrainsImmune SeraAntigen-Antibody ComplexRecombinant ProteinsMembrane GlycoproteinsClone CellsAntigens, NeoplasmCytokinesReceptors, Antigen, T-CellCD4 Lymphocyte CountNeutralization TestsAntibodies, BlockingLeukemia, LymphoidMonocytesMacrophagesRabbitsAntibodies, FungalCell AdhesionImmunoglobulin AImmune Adherence ReactionAntigens, ViralImmunohistochemistryAltruismEnzyme-Linked Immunosorbent AssaySignal Transduction