Lymphocyte SubsetsLymphocytesAntibodiesLymphocyte ActivationAntibodies, MonoclonalAntibody SpecificityLymphocyte CountT-Lymphocyte SubsetsT-LymphocytesAntibodies, ViralCD4-CD8 RatioAntibodies, BacterialFlow CytometryB-LymphocytesAntibody FormationLeukocyte CountCD4-Positive T-LymphocytesImmunophenotypingKiller Cells, NaturalFluorescent Antibody TechniqueAntibodies, NeutralizingSpleenCD8-Positive T-LymphocytesEpitopesB-Lymphocyte SubsetsMice, Inbred BALB CAntigens, CDAntigens, CD3Antibody AffinityAntibodies, Anti-IdiotypicBinding Sites, AntibodyImmunoglobulin MT-Lymphocytes, Helper-InducerCells, CulturedAntigens, SurfaceImmunoglobulin GAntigens, CD45Molecular Sequence DataImmunity, CellularCross ReactionsAutoantibodiesMice, Inbred C57BLInterleukin-2Cytotoxicity, ImmunologicPhytohemagglutininsLymph NodesAntigens, Differentiation, T-LymphocyteT-Lymphocytes, CytotoxicT-Lymphocytes, RegulatoryAntigens, CD8Antibodies, NeoplasmHIV AntibodiesAntibodies, AntinuclearAntigens, CD4Amino Acid SequenceAntibodies, ProtozoanInterferon-gammaLymphocytes, Tumor-InfiltratingImmunoglobulinsImmunoenzyme TechniquesAntigen-Antibody ReactionsCell LineConcanavalin AThymus GlandTime FactorsCytokinesCell SeparationLymphopeniaLymphocyte Culture Test, MixedRosette FormationEnzyme-Linked Immunosorbent AssayMitogensAntigensHLA-DR AntigensReceptors, Antigen, T-Cell, gamma-deltaImmunoglobulin ALymphocyte DepletionLymphoid TissueRecombinant ProteinsCD4 Lymphocyte CountAntigens, CD19Neutralization TestsImmunohistochemistryAntibodies, FungalLeukocytes, MononuclearImmune SeraImmunologic MemoryPhenotypeLymphocytes, NullAntigens, DifferentiationReceptors, Antigen, B-CellAntigen-Antibody ComplexMice, Inbred StrainsMembrane GlycoproteinsRabbitsAntigens, CD57LeukocytesImmunizationMonocytesAntibodies, Blocking