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 ChainsRemission InductionLeukemia, ExperimentalLeukemia-Lymphoma, Adult T-CellAntineoplastic AgentsPrognosisReceptors, Antigen, B-CellLymphomaZAP-70 Protein-Tyrosine KinaseBurkitt LymphomaChlorambucilLeukemia, Hairy CellAntineoplastic Combined Chemotherapy ProtocolsRosette FormationKaryotypingAnisocoriaChromosomes, Human, 6-12 and XDNA, NeoplasmTreatment OutcomePhiladelphia ChromosomeCorneal PerforationRecurrenceLymphocytesAcute DiseaseLeukemia Virus, MurineChromosome AberrationsBlast CrisisTranslocation, GeneticAntigens, NeoplasmCladribineTumor Cells, CulturedAntibodies, MonoclonalAntigens, CD5Time FactorsDNA NucleotidylexotransferaseT-LymphocytesCyclophosphamideLeukemia, MyeloidFusion Proteins, bcr-ablAntigens, CD38Flow CytometryImmunoglobulin Variable RegionPolymerase Chain ReactionChromosomes, Human, Pair 14NeprilysinDrug Resistance, NeoplasmRetrospective StudiesMutationNeoplasm ProteinsBase SequenceSurvival AnalysisBone Marrow TransplantationPrednisoneDaunorubicinAntigens, SurfaceMolecular Sequence DataSurvival RateLeukemia, Prolymphocytic, T-CellCyclin-Dependent Kinase Inhibitor p15Antibodies, Monoclonal, Murine-DerivedLeukemia, Monocytic, AcuteImmunophenotypingDexamethasoneChromosomes, Human, Pair 9Drug Administration ScheduleChromosomes, Human, Pair 13Leukemia, Large Granular LymphocyticSalvage TherapyAntibodies, NeoplasmLeukemia L1210Risk FactorsMoloney murine leukemia virusHematologic NeoplasmsApoptosisCell Transformation, NeoplasticLymphocytosisProto-Oncogene ProteinsCell Line