Precursor Cell Lymphoblastic Leukemia-LymphomaLeukemia, Lymphocytic, Chronic, B-CellLeukemia, LymphoidLeukemiaLeukemia, Myeloid, AcuteCancer Care FacilitiesLeukemia, Myelogenous, Chronic, BCR-ABL PositiveAsparaginaseLeukemia, ExperimentalLeukemia, B-CellCytarabineRemission InductionLeukemia, T-CellPrognosisGene Expression Regulation, LeukemicAntineoplastic AgentsBone MarrowRemission, SpontaneousDaunorubicinAntineoplastic Combined Chemotherapy ProtocolsVincristine6-MercaptopurineMethotrexateAcute DiseaseLeukemia, MyeloidLeukemia-Lymphoma, Adult T-CellLeukemic InfiltrationLeukemia, Biphenotypic, AcutePrecursor B-Cell Lymphoblastic Leukemia-LymphomaLeukemia Virus, MurineVidarabineB-LymphocytesLeukemia, Monocytic, AcutePhiladelphia ChromosomeKaryotypingLeukemia, Hairy CellTreatment OutcomeSurvival AnalysisSurvival RateBurkitt LymphomaLymphomaDNA, NeoplasmLeukemia, Radiation-InducedNeoplasmsLymphocytes, NullRetrospective StudiesNeoplasm ProteinsChromosome AberrationsImmunoglobulin Heavy ChainsRecurrenceDrug Resistance, NeoplasmFusion Proteins, bcr-ablTumor Cells, CulturedCyclophosphamideReceptors, Antigen, B-CellMutationMoloney murine leukemia virusLeukemia L1210Disease-Free SurvivalChlorambucilZAP-70 Protein-Tyrosine KinaseAntigens, NeoplasmFlow CytometryTranslocation, GeneticLeukemia Virus, BovineRosette FormationMyeloid-Lymphoid Leukemia ProteinAntibodies, MonoclonalTime FactorsLymphocytesBone Marrow TransplantationPrednisoneImmunophenotypingLeukemia Virus, FelineChromosomes, Human, 6-12 and XDrug Administration ScheduleBase SequenceT-LymphocytesCytogenetic AnalysisNational Cancer Institute (U.S.)Molecular Sequence DataRisk FactorsLeukemia P388AnisocoriaCell Line, TumorNeoplasm, ResidualLeukemia, Prolymphocytic, T-CellCladribineFollow-Up StudiesApoptosisCell Transformation, NeoplasticDNA NucleotidylexotransferasePolymerase Chain ReactionSalvage TherapyCyclin-Dependent Kinase Inhibitor p15Clinical Trials as TopicAntigens, CD5Combined Modality TherapyCell LineCorneal Perforation