LeukemiaLeukemia, Myeloid, AcuteLeukemia, Lymphocytic, Chronic, B-CellLeukemia, LymphoidLeukemia, ExperimentalLeukemia, Myelogenous, Chronic, BCR-ABL PositiveLeukemia Virus, MurinePrecursor Cell Lymphoblastic Leukemia-LymphomaLeukemia, T-CellLeukemia, Monocytic, AcuteMoloney murine leukemia virusLeukemia, Hairy CellLeukemia L1210Leukemia, B-CellLeukemia Virus, BovineLeukemia Virus, FelineGene Expression Regulation, LeukemicLeukemia, Radiation-InducedMyeloid-Lymphoid Leukemia ProteinLeukemia P388Leukemia, Biphenotypic, AcuteFriend murine leukemia virusAcute DiseaseHL-60 CellsLeukemia-Lymphoma, Adult T-CellTreatment OutcomeCytarabineLeukemia, Megakaryoblastic, AcuteAKR murine leukemia virusRemission InductionFusion Proteins, bcr-ablLeukemia, Myeloid, Chronic-PhaseAntineoplastic AgentsBone MarrowSymptom AssessmentPrecursor B-Cell Lymphoblastic Leukemia-LymphomaDepressionDaunorubicinTime FactorsTumor Cells, CulturedLeukemia, Plasma CellKaryotypingLeukemia, Myeloid, Accelerated PhaseK562 CellsPrognosisRecurrenceLeukemia, Prolymphocytic, T-CellCell LineHuman T-lymphotropic virus 1QuestionnairesFollow-Up StudiesLeukemia, ProlymphocyticBase SequenceNeoplasm ProteinsSeverity of Illness IndexCore Binding Factor Alpha 2 SubunitMolecular Sequence DataLeukemia, Myelomonocytic, JuvenileLeukemic InfiltrationPrecursor T-Cell Lymphoblastic Leukemia-LymphomaLeukemia, Basophilic, AcuteLymphomaAntineoplastic Combined Chemotherapy ProtocolsAsparaginasefms-Like Tyrosine Kinase 3Philadelphia ChromosomeRisk FactorsApoptosisBehavioral SymptomsLeukemia, Myeloid, Chronic, Atypical, BCR-ABL NegativeGraft vs Leukemia EffectAbelson murine leukemia virusChromosome AberrationsRetrospective StudiesLeukemia Inhibitory Factor Receptor alpha SubunitPreleukemiaPsychiatric Status Rating ScalesProspective StudiesMutationImmunophenotypingBone Marrow TransplantationNeoplasm, ResidualCytogenetic AnalysisLeukemia, Large Granular LymphocyticRetroviridaeCell DifferentiationDrug Resistance, NeoplasmFlow CytometryNeoplastic Stem CellsCell Line, TumorHematopoietic Stem CellsOxidesRetroviridae InfectionsGene Products, taxGene RearrangementArsenicalsVidarabineIdarubicinLeukemia Virus, Gibbon ApeDNA, Neoplasm