LeukemiaSyndromeCostello SyndromePrecursor Cell Lymphoblastic Leukemia-LymphomaPrurigoLeukemia, Myeloid, AcuteNevadaLeukemia, Radiation-InducedAbnormalities, MultipleChromosomes, Human, Pair 22Infant, NewbornElectromagnetic FieldsPaternal ExposureGenetic Diseases, InbornEnvironmental ExposureLeukemia, LymphoidPesticidesDevelopmental DisabilitiesChromosome DisordersFetal DiseasesLeukemia, Lymphocytic, Chronic, B-CellPregnancyHeart Defects, CongenitalChromosome AberrationsCase-Control StudiesOmanPedigreePreleukemiaPrecursor B-Cell Lymphoblastic Leukemia-LymphomaCaliforniaLeukemia, ExperimentalRisk FactorsSurvivorsLeukemia, Myelogenous, Chronic, BCR-ABL PositiveMutationMaternal ExposureRegistriesIcelandAsparaginaseCore Binding Factor Alpha 2 SubunitRadio WavesLeukemia Virus, MurineIncidencePrenatal Exposure Delayed EffectsDown SyndromeFathersNeoplasms, Radiation-InducedCranial IrradiationMetabolic Syndrome XOdds RatioMethotrexateAcute DiseaseHousingLeukemia, T-CellAntineoplastic AgentsParentsLeukemia, Monocytic, AcuteMothersRisk AssessmentMoloney murine leukemia virusOccupational ExposureLeukemia, B-CellBirth WeightLeukemia, Hairy CellInfectionLeukemia L1210PrognosisAge FactorsNephrotic SyndromeBreast FeedingLeukemia Virus, FelineLeukemia Virus, BovineRiskAntimetabolites, AntineoplasticConfidence IntervalsGene Expression Regulation, LeukemicLogistic ModelsOncogene Proteins, FusionSjogren's SyndromeMyeloid-Lymphoid Leukemia ProteinAntineoplastic Combined Chemotherapy ProtocolsGenotypeEnvironmental PollutantsLeukemia, Biphenotypic, AcuteLeukemia P388Polymorphism, GeneticTurner SyndromeCytarabineTreatment OutcomeLeukemia-Lymphoma, Adult T-CellFriend murine leukemia virusPolymorphism, Single NucleotideKaryotypingRemission InductionBone MarrowLeukemia, Megakaryoblastic, AcuteHL-60 CellsFollow-Up StudiesMyelodysplastic SyndromesChild Abuse