Lymphocyte SubsetsT-Lymphocyte SubsetsCD4-CD8 RatioLymphocytesT-LymphocytesLymphocyte ActivationLymphocyte CountCD4-Positive T-LymphocytesAntigens, CD3Leukocyte CountAntigens, CD8Flow CytometryCD8-Positive T-LymphocytesT-Lymphocytes, Helper-InducerImmunophenotypingAntigens, CDT-Lymphocytes, RegulatoryAntibodies, MonoclonalKiller Cells, NaturalAntigens, CD45Immunity, CellularSpleenHLA-DR AntigensB-LymphocytesReceptors, Antigen, T-Cell, gamma-deltaT-Lymphocytes, CytotoxicMice, Inbred BALB CAntigens, CD28CD40 LigandCytotoxicity, ImmunologicAntigens, CD40Interleukin-2B-Lymphocyte SubsetsAntigens, Differentiation, T-LymphocyteAntigens, CD44Antigens, CD19Antigens, CD34Antigens, CD2Cells, CulturedPhytohemagglutininsAntigens, CD56CD4 Lymphocyte CountAntigens, CD38Mice, Inbred C57BLAntigens, CD5Lymph NodesThymus GlandInterferon-gammaAntigens, CD57Antigens, SurfaceCytokinesReceptors, Antigen, T-CellLymphocytes, Tumor-InfiltratingAntigens, CD95Cell SeparationAntigens, CD80Antigens, CD14Antigens, CD4Immunologic MemoryConcanavalin AAntigens, CD1Lymphocyte Culture Test, MixedClone CellsLymphopeniaLymphocyte DepletionAntigens, CD20Rosette FormationAntigens, DifferentiationReceptors, Interleukin-2Antigens, CD86Receptors, Antigen, T-Cell, alpha-betaMitogensDendritic CellsLeukocytes, MononuclearLymphoid TissueCell LineMolecular Sequence DataAntigens, CD18Lymphocytes, NullMonocytesHIV-1PhenotypeEpitopesImmunoglobulinsJurkat CellsInterleukin-4Antigens, CD43Time FactorsCytotoxicity Tests, ImmunologicHistocompatibility AntigensMembrane GlycoproteinsHIV InfectionsAntigens, CD30Immune ToleranceCell DivisionMice, TransgenicReceptors, Antigen, B-CellLymphocyte CooperationLymphocyte TransfusionImmunoglobulin G