Leukemia, Lymphocytic, Chronic, B-CellLeukemia, LymphoidPrecursor Cell Lymphoblastic Leukemia-LymphomaLeukemiaPrognosisLeukemia, Myeloid, AcuteLeukemia, B-CellLeukemic InfiltrationAsparaginaseLeukemia, T-CellLeukemia, Myelogenous, Chronic, BCR-ABL PositiveVidarabinePrecursor B-Cell Lymphoblastic Leukemia-LymphomaLeukemia, Biphenotypic, AcuteB-LymphocytesMethotrexateBone MarrowRemission, SpontaneousGene Expression Regulation, LeukemicLymphocytes, NullVincristineCytarabineRemission InductionAntineoplastic Agents6-MercaptopurineImmunoglobulin Heavy ChainsLeukemia-Lymphoma, Adult T-CellLeukemia, ExperimentalLymphomaReceptors, Antigen, B-CellZAP-70 Protein-Tyrosine KinaseBurkitt LymphomaAntineoplastic Combined Chemotherapy ProtocolsChlorambucilLeukemia, Hairy CellKaryotypingDNA, NeoplasmRosette FormationAnisocoriaTreatment OutcomeChromosomes, Human, 6-12 and XPhiladelphia ChromosomeSurvival AnalysisRecurrenceAcute DiseaseChromosome AberrationsCorneal PerforationLymphocytesAntigens, NeoplasmTranslocation, GeneticBlast CrisisSurvival RateLeukemia Virus, MurineTumor Cells, CulturedCyclophosphamideAntibodies, MonoclonalCladribineAntigens, CD5Leukemia, MyeloidTime FactorsT-LymphocytesRetrospective StudiesDNA NucleotidylexotransferaseAntigens, CD38Neoplasm ProteinsFusion Proteins, bcr-ablDrug Resistance, NeoplasmFlow CytometryMutationChromosomes, Human, Pair 14Polymerase Chain ReactionImmunoglobulin Variable RegionNeprilysinPrednisoneBase SequenceBone Marrow TransplantationDaunorubicinAntigens, SurfaceTumor Markers, BiologicalMolecular Sequence DataImmunophenotypingLeukemia, Prolymphocytic, T-CellRisk FactorsAntibodies, Monoclonal, Murine-DerivedCyclin-Dependent Kinase Inhibitor p15Cell Line, TumorLeukemia, Monocytic, AcuteChromosomes, Human, Pair 9DexamethasoneSalvage TherapyChromosomes, Human, Pair 13Drug Administration ScheduleAntibodies, NeoplasmLeukemia, Large Granular LymphocyticApoptosisCell Transformation, NeoplasticLeukemia L1210Proto-Oncogene ProteinsHematologic NeoplasmsMoloney murine leukemia virus