LeukemiaPrecursor Cell Lymphoblastic Leukemia-LymphomaLeukemia, Myeloid, AcuteNevadaLeukemia, Radiation-InducedElectromagnetic FieldsPaternal ExposureEnvironmental ExposureLeukemia, LymphoidPesticidesInfant, NewbornLeukemia, Lymphocytic, Chronic, B-CellCase-Control StudiesOmanCaliforniaPreleukemiaPrecursor B-Cell Lymphoblastic Leukemia-LymphomaRisk FactorsLeukemia, ExperimentalSurvivorsLeukemia, Myelogenous, Chronic, BCR-ABL PositiveMaternal ExposureAsparaginaseRegistriesIcelandParentsCore Binding Factor Alpha 2 SubunitChild WelfareRadio WavesPrenatal Exposure Delayed EffectsIncidenceLeukemia Virus, MurineFathersMothersChild BehaviorNeoplasms, Radiation-InducedHousingCranial IrradiationPregnancyOdds RatioDisabled ChildrenMethotrexateAcute DiseaseAge FactorsLeukemia, T-CellAntineoplastic AgentsLeukemia, Monocytic, AcuteBreast FeedingRisk AssessmentBirth WeightMoloney murine leukemia virusInfectionOccupational ExposureLeukemia, B-CellLeukemia, Hairy CellLeukemia L1210Logistic ModelsPrognosisConfidence IntervalsChild Health ServicesRiskLeukemia Virus, BovineLeukemia Virus, FelineAntimetabolites, AntineoplasticChild Behavior DisordersGene Expression Regulation, LeukemicOncogene Proteins, FusionChild RearingEnvironmental PollutantsMyeloid-Lymphoid Leukemia ProteinChild PsychologyAntineoplastic Combined Chemotherapy ProtocolsChild of Impaired ParentsChild, InstitutionalizedGenotypeLeukemia, Biphenotypic, AcuteLeukemia P388Follow-Up StudiesTreatment OutcomeDental Care for ChildrenPolymorphism, GeneticCytarabineChild Nutritional Physiological PhenomenaLeukemia-Lymphoma, Adult T-CellFriend murine leukemia virusRemission InductionChild Nutrition DisordersRetrospective StudiesPolymorphism, Single NucleotideChild, OrphanedHL-60 CellsPrevalenceLeukemia, Megakaryoblastic, AcuteBone MarrowTime FactorsLongitudinal StudiesChild MortalityAdult Survivors of Child AbuseQuestionnairesFusion Proteins, bcr-abl