LeukemiaLeukemia, Lymphocytic, Chronic, B-CellLeukemia, LymphoidPrecursor Cell Lymphoblastic Leukemia-LymphomaLeukemia, MyeloidLeukemia, Myeloid, AcuteLeukemia, B-CellLeukemia, T-CellLeukemia, Myelogenous, Chronic, BCR-ABL PositiveLeukemic InfiltrationPrecursor B-Cell Lymphoblastic Leukemia-LymphomaLeukemia, Biphenotypic, AcuteAsparaginaseGene Expression Regulation, LeukemicLeukemia, ExperimentalBone MarrowVidarabineB-LymphocytesMethotrexateRemission, SpontaneousCytarabineLymphocytes, NullAntineoplastic AgentsVincristine6-MercaptopurineImmunoglobulin Heavy ChainsLymphomaRemission InductionBurkitt LymphomaLeukemia-Lymphoma, Adult T-CellTranslocation, GeneticReceptors, Antigen, B-CellLeukemia, Hairy CellZAP-70 Protein-Tyrosine KinaseKaryotypingDNA, NeoplasmPrognosisAntineoplastic Combined Chemotherapy ProtocolsRosette FormationChlorambucilAcute DiseaseChromosomes, Human, 6-12 and XPhiladelphia ChromosomeBlast CrisisLeukemia Virus, MurineChromosome AberrationsMyeloid-Lymphoid Leukemia ProteinAnisocoriaFusion Proteins, bcr-ablTumor Cells, CulturedLymphocytesAntigens, NeoplasmCorneal PerforationAntigens, CD5DNA NucleotidylexotransferaseT-LymphocytesNeoplasm ProteinsRecurrenceAntibodies, MonoclonalLeukemia, Radiation-InducedCladribineFlow CytometryLeukemia, Monocytic, AcuteCyclophosphamideChromosomes, Human, Pair 14Antigens, CD38Drug Resistance, NeoplasmBase SequenceAntigens, SurfaceMutationNeprilysinImmunoglobulin Variable RegionImmunophenotypingDaunorubicinLeukemia, ProlymphocyticBone Marrow TransplantationLeukemia, Prolymphocytic, T-CellTreatment OutcomeMolecular Sequence DataChromosomes, Human, Pair 11PrednisoneCell Transformation, NeoplasticPolymerase Chain ReactionProto-Oncogene ProteinsCyclin-Dependent Kinase Inhibitor p15Chromosomes, Human, Pair 9Survival AnalysisLeukemia L1210Chromosomes, Human, Pair 13Leukemia, Large Granular LymphocyticApoptosisHematologic NeoplasmsBlotting, SouthernSurvival RateTime FactorsMoloney murine leukemia virusDrug Administration ScheduleAntibodies, NeoplasmAntibodies, Monoclonal, Murine-DerivedSalvage Therapy