IsomerismSpin LabelsHeterotaxy SyndromeSpin TrappingHeart Defects, CongenitalElectron Spin Resonance SpectroscopyHeart AtriaSitus InversusHeart Septal DefectsAbnormalities, MultipleVenae CavaeDextrocardiaLevocardiaHeart Bypass, RightPulmonary VeinsErythrocruorinsPulmonary Veno-Occlusive DiseaseGrowth Differentiation Factor 1Fetal HeartCyanosisAbortion, EugenicNodal ProteinAtrioventricular NodeFetal DiseasesMagnetic Resonance SpectroscopyVena Cava, InferiorCyclic N-OxidesFontan ProcedureAzygos VeinTachycardia, SupraventricularSinoatrial NodeHeart BlockUltrasonography, PrenatalHeart ValvesAtrial AppendageHeart Septal Defects, AtrialNitrogen OxidesProlinePrenatal DiagnosisInfant, NewbornSyndromeStereoisomerismModels, MolecularBody PatterningMolecular StructurePregnancyFree RadicalsEchocardiographyProtein ConformationAsiaGestational AgeSpleenTriacetoneamine-N-OxylRetrospective StudiesStomachHydroxyl RadicalMagneticsTime FactorsTreatment OutcomeHydroxidesFollow-Up StudiesSpectroscopy, MossbauerOxidation-ReductionHemeElectronsQuantum TheoryMagnetic Resonance ImagingIronModels, ChemicalTemperatureSpectrophotometryImage EnhancementMethemoglobinMicrowavesOxygenCamphorCerebrovascular CirculationKineticsSpectrum AnalysisMolecular ConformationLipid BilayersSpectrum Analysis, RamanWaterMembrane FluiditySuperoxidesMetmyoglobinMathematicsDimyristoylphosphatidylcholineNuclear Magnetic Resonance, BiomolecularPhysical PhenomenaEcho-Planar ImagingImage Interpretation, Computer-AssistedThermodynamicsBinding SitesPerfusion ImagingMagnetic Resonance AngiographyHemeproteinsNitrogen IsotopesFerric CompoundsSulfur Oxides