Spectrum AnalysisFourier AnalysisSignal Processing, Computer-AssistedUltrasonographyUltrasonicsBody HeightPubertyElectroencephalographyElectrophoresis, CapillaryAlgorithmsForensic GeneticsLupus Vasculitis, Central Nervous SystemAdolescent DevelopmentChromatography, High Pressure LiquidHeart RateMagnetic Resonance SpectroscopyCalibrationMagnetic Resonance ImagingMenarcheSpectrum Analysis, RamanSensitivity and SpecificityBrainReference ValuesReproducibility of ResultsReference StandardsChromatography, GasTime FactorsLongitudinal StudiesGrowth DisordersChild Development Disorders, PervasiveAnthropometryLasersBody WeightGrowthHemeMetal NanoparticlesSpectrophotometry, UltravioletMicroscopyBody Mass IndexSilverSpectrophotometryVibrationProtein ConformationGoldMicrospectrophotometryAge Determination by SkeletonFetal Alcohol Spectrum DisordersMyoglobinCarbon MonoxideSpectrophotometry, InfraredSchiff BasesAutistic DisorderPeak Expiratory Flow RateHydrogen-Ion ConcentrationKineticsScattering, RadiationEquipment DesignSpectroscopy, Fourier Transform InfraredMolecular StructureCattleAge FactorsElectron Spin Resonance SpectroscopyOxidation-ReductionSurface PropertiesTemperatureModels, MolecularObesityEquipment Failure AnalysisMutationSex FactorsMolecular ConformationCircular DichroismWaterBiomechanical PhenomenaPhotochemistryOptical FibersChild DevelopmentMolecular Sequence DataFiber Optic TechnologyCohort StudiesRisk FactorsCross-Sectional Studies