Precursor Cell Lymphoblastic Leukemia-LymphomaChromosomes, Human, 21-22 and YLeukemia, MyeloidLeukemia, LymphoidLeukemiaBlast CrisisLeukemia, Myelogenous, Chronic, BCR-ABL PositiveLeukemia, Lymphocytic, Chronic, B-CellLeukemia, Myeloid, AcutePhiladelphia ChromosomeLeukemia, Myeloid, Accelerated PhaseBone MarrowKaryotypingTranslocation, GeneticChromosome AberrationsCytarabineHLA-B40 AntigenAcute DiseaseLeukemia, B-CellLeukemia, Biphenotypic, AcuteGene Expression Regulation, LeukemicDaunorubicinAsparaginaseChromosomes, Human, 6-12 and XLeukemia, T-CellMyeloid-Lymphoid Leukemia ProteinLeukemia, Radiation-InducedLeukemia, ExperimentalLeukemic InfiltrationLeukemia-Lymphoma, Adult T-CellPrecursor B-Cell Lymphoblastic Leukemia-LymphomaRemission InductionAntineoplastic AgentsB-LymphocytesVidarabineRemission, SpontaneousMethotrexateVincristine6-MercaptopurineBurkitt LymphomaPrognosisLeukemia, Monocytic, AcuteRecurrenceLymphomaBone Marrow TransplantationAntineoplastic Combined Chemotherapy ProtocolsLymphocytes, NullLeukemia Virus, MurineLymphocytesHL-60 CellsLeukemia, Hairy CellImmunoglobulin Heavy ChainsDNA, NeoplasmTumor Cells, CulturedReceptors, Antigen, B-CellZAP-70 Protein-Tyrosine KinaseImmunophenotypingHematopoietic Stem CellsFusion Proteins, bcr-ablChromosomes, Human, Pair 11Neoplasm ProteinsChlorambucilDNA NucleotidylexotransferaseRosette FormationAntigens, NeoplasmFlow CytometryAnisocoriaTreatment OutcomeBase SequenceT-LymphocytesCyclophosphamideProto-OncogenesMutationDrug Resistance, NeoplasmGene RearrangementCorneal PerforationGranulocytesCladribineClone CellsAntigens, CD5Leukemia L1210Moloney murine leukemia virusAntibodies, MonoclonalPrednisoneSurvival AnalysisMolecular Sequence DataAntigens, CD38Cell DifferentiationChromosomes, Human, Pair 9Cell LineBone Marrow CellsLeukemia, Prolymphocytic, T-CellChromosomes, Human, Pair 14Cyclin-Dependent Kinase Inhibitor p15Immunoglobulin Variable RegionSurvival RateProto-Oncogene ProteinsNeprilysinCell Transformation, NeoplasticAntigens, Surface