Leukemia, Lymphocytic, Chronic, B-CellLeukemia, LymphoidPrecursor Cell Lymphoblastic Leukemia-LymphomaLeukemiaLeukemia, Myeloid, AcuteLeukemia, B-CellLeukemic InfiltrationAsparaginaseLeukemia, T-CellLeukemia, Myelogenous, Chronic, BCR-ABL PositiveVidarabinePrecursor B-Cell Lymphoblastic Leukemia-LymphomaLeukemia, Biphenotypic, AcuteB-LymphocytesMethotrexateBone MarrowRemission, SpontaneousLymphocytes, NullGene Expression Regulation, LeukemicCytarabineVincristine6-MercaptopurineImmunoglobulin Heavy ChainsLeukemia, ExperimentalRemission InductionLeukemia-Lymphoma, Adult T-CellAntineoplastic AgentsReceptors, Antigen, B-CellZAP-70 Protein-Tyrosine KinaseBurkitt LymphomaLymphomaChlorambucilPrognosisLeukemia, Hairy CellRosette FormationAntineoplastic Combined Chemotherapy ProtocolsChromosomes, Human, 6-12 and XAnisocoriaPhiladelphia ChromosomeKaryotypingDNA, NeoplasmCorneal PerforationLymphocytesLeukemia Virus, MurineBlast CrisisCladribineChromosome AberrationsTranslocation, GeneticAntigens, NeoplasmTumor Cells, CulturedAntigens, CD5RecurrenceAcute DiseaseDNA NucleotidylexotransferaseT-LymphocytesAntigens, CD38Fusion Proteins, bcr-ablCyclophosphamideAntibodies, MonoclonalLeukemia, MyeloidImmunoglobulin Variable RegionTreatment OutcomeDrug Resistance, NeoplasmChromosomes, Human, Pair 14NeprilysinFlow CytometryNeoplasm ProteinsDaunorubicinBone Marrow TransplantationAntigens, SurfacePrednisoneMutationBase SequenceLeukemia, Prolymphocytic, T-CellSurvival AnalysisCyclin-Dependent Kinase Inhibitor p15Leukemia, Monocytic, AcuteAntibodies, Monoclonal, Murine-DerivedMolecular Sequence DataTime FactorsDexamethasoneLeukemia, Large Granular LymphocyticChromosomes, Human, Pair 9Drug Administration SchedulePolymerase Chain ReactionImmunophenotypingChromosomes, Human, Pair 13Survival RateSalvage TherapyLeukemia L1210Antibodies, NeoplasmMoloney murine leukemia virusApoptosisHematologic NeoplasmsCell Transformation, NeoplasticLymphocytosisGenes, Immunoglobulin Heavy ChainLeukemia, ProlymphocyticProto-Oncogene ProteinsLeukemia P388