Precursor Cell Lymphoblastic Leukemia-LymphomaPhiladelphiaLeukemia, Lymphocytic, Chronic, B-CellLeukemia, LymphoidLeukemiaPhiladelphia ChromosomeLeukemia, Myeloid, AcuteLeukemia, Myelogenous, Chronic, BCR-ABL PositiveFusion Proteins, bcr-ablAsparaginaseCytarabineRemission InductionLeukemia, B-CellLeukemia, ExperimentalGene Expression Regulation, LeukemicBone MarrowLeukemia, T-CellKaryotypingDaunorubicinLeukemia, MyeloidVincristinePrecursor B-Cell Lymphoblastic Leukemia-LymphomaLeukemic InfiltrationAntineoplastic AgentsLeukemia, Biphenotypic, AcutePrognosis6-MercaptopurineAcute DiseaseRemission, SpontaneousLeukemia-Lymphoma, Adult T-CellMethotrexateLeukemia Virus, MurineVidarabineAntineoplastic Combined Chemotherapy ProtocolsB-LymphocytesBlast CrisisBurkitt LymphomaLeukemia, Monocytic, AcuteLeukemia, Hairy CellChromosome AberrationsBenzamidesTranslocation, GeneticLymphocytes, NullLeukemia, Myeloid, Chronic, Atypical, BCR-ABL NegativePyrimidinesPiperazinesDNA, NeoplasmCytogenetic AnalysisImmunoglobulin Heavy ChainsTreatment OutcomeRecurrenceChromosomes, Human, 21-22 and YDrug Resistance, NeoplasmLymphomaChromosomes, Human, 6-12 and XSurvival AnalysisLeukemia, Myeloid, Chronic-PhaseBone Marrow TransplantationReceptors, Antigen, B-CellZAP-70 Protein-Tyrosine KinaseTumor Cells, CulturedCyclophosphamideMoloney murine leukemia virusNeoplasm ProteinsChlorambucilPrednisoneNeoplasm, ResidualCytogeneticsLeukemia L1210ImmunophenotypingSurvival RateMyeloid-Lymphoid Leukemia ProteinRosette FormationFlow CytometryProto-Oncogene Proteins c-bcrChromosomes, Human, Pair 9MutationLeukemia Virus, BovineLeukemia Virus, FelineDNA NucleotidylexotransferaseAnisocoriaLymphocytesTransplantation, HomologousLeukemia, Myeloid, Accelerated PhaseCladribineBase SequenceDrug Administration ScheduleLeukemia, Radiation-InducedAntigens, NeoplasmAntibodies, MonoclonalGenes, ablT-LymphocytesTime FactorsCorneal PerforationLeukemia P388Cyclin-Dependent Kinase Inhibitor p15Disease-Free SurvivalSalvage TherapyMolecular Sequence DataAntigens, CD5