Precursor Cell Lymphoblastic Leukemia-LymphomaLeukemia, LymphoidLeukemia, Lymphocytic, Chronic, B-CellLeukemiaLeukemia, Myeloid, AcutePrecursor B-Cell Lymphoblastic Leukemia-LymphomaAsparaginaseLeukemia, B-CellGene Expression Regulation, LeukemicLeukemia, Myelogenous, Chronic, BCR-ABL PositiveLeukemia-Lymphoma, Adult T-CellLeukemia, T-CellPrecursor T-Cell Lymphoblastic Leukemia-LymphomaLeukemia, ExperimentalLeukemic InfiltrationRemission InductionBone MarrowBurkitt LymphomaLeukemia, Biphenotypic, AcuteMethotrexate6-MercaptopurinePhiladelphia ChromosomeCytarabineVincristineTranslocation, GeneticB-LymphocytesMyeloid-Lymphoid Leukemia ProteinAntineoplastic AgentsKaryotypingLeukemia Virus, MurineFusion Proteins, bcr-ablAntineoplastic Combined Chemotherapy ProtocolsPrognosisVidarabineLymphomaRecurrenceNeoplasm, ResidualLeukemia, Hairy CellRemission, SpontaneousImmunoglobulin Heavy ChainsLeukemia, MyeloidDNA, NeoplasmAcute DiseaseChromosome AberrationsImmunophenotypingBlast CrisisLeukemia, Monocytic, AcuteDaunorubicinTumor Cells, CulturedGene RearrangementNeprilysinAntigens, NeoplasmNeoplasm ProteinsReceptors, Antigen, B-CellCore Binding Factor Alpha 2 SubunitLymphocytes, NullTreatment OutcomeDrug Resistance, NeoplasmLeukemia, Radiation-InducedFlow CytometryBone Marrow TransplantationLymphocytesT-LymphocytesPrednisoneRosette FormationBase SequenceZAP-70 Protein-Tyrosine KinaseChromosomes, Human, 6-12 and XDNA NucleotidylexotransferaseChromosomes, Human, Pair 11Moloney murine leukemia virusLeukemia L1210Antibodies, MonoclonalChlorambucilMolecular Sequence DataChromosomes, Human, Pair 9MutationSurvival AnalysisChromosomes, Human, Pair 12CyclophosphamidePolymerase Chain ReactionChromosomes, Human, Pair 14Antigens, SurfaceProto-Oncogene ProteinsSurvival RateOncogene Proteins, FusionApoptosisAntigens, CD19Cell Line, TumorDexamethasoneTransplantation, HomologousCell Transformation, NeoplasticCyclin-Dependent Kinase Inhibitor p15Leukemia Virus, BovineLeukemia Virus, FelineAnisocoriaLeukemia P388Disease-Free SurvivalCladribineLeukemia, Prolymphocytic, T-Cell