Child WelfareChild BehaviorDisabled ChildrenAge FactorsNeoplasmsPancreatic NeoplasmsAgingNeoplasms, Cystic, Mucinous, and SerousChild Health ServicesChild RearingChild Behavior DisordersChild PsychologyChild of Impaired ParentsChild, InstitutionalizedParentsRisk FactorsSkin NeoplasmsFollow-Up StudiesCross-Sectional StudiesSex FactorsDental Care for ChildrenRetrospective StudiesQuestionnairesChild, OrphanedUnited StatesNeoplasms, Multiple PrimaryTime FactorsPrevalenceLongitudinal StudiesNeoplasms, Second PrimaryKidney NeoplasmsChild LanguageChild Nutrition DisordersProspective StudiesChild Nutritional Physiological PhenomenaInfant, NewbornTreatment OutcomeIncidenceSocioeconomic FactorsChild MortalityThyroid NeoplasmsParent-Child RelationsAdenocarcinoma, MucinousMothersMyeloproliferative DisordersLung NeoplasmsAnalysis of VarianceImmunohistochemistryDNA, NeoplasmPregnancyReference ValuesLiver NeoplasmsParotid NeoplasmsCystadenomaBody WeightMagnetic Resonance ImagingNeoplasms, Connective and Soft TissueLogistic ModelsNeoplasms, Plasma CellAppendiceal NeoplasmsNeoplasms, Radiation-InducedOvarian NeoplasmsSmokingTesticular NeoplasmsCase-Control StudiesCystadenoma, MucinousTomography, X-Ray ComputedAsthmaBone NeoplasmsSoft Tissue NeoplasmsEndocrine Gland NeoplasmsBody HeightEye NeoplasmsGastrointestinal NeoplasmsRegression AnalysisSex DistributionAge DistributionNeoplasms, ExperimentalObesityCarcinoma, Pancreatic DuctalNeoplasms, Vascular TissueAnthropometryNose NeoplasmsNeoplasm StagingPediatricsUrban PopulationSalivary Gland NeoplasmsLymphomaCarcinoma, PapillaryChild Development Disorders, PervasiveFamilyReproducibility of ResultsCohort StudiesSchoolsNeoplasms, Muscle TissueAdenocarcinoma, PapillaryNeoplasm ProteinsNeoplasms, Glandular and EpithelialHematologic NeoplasmsIntelligence