IsomerismHeterotaxy SyndromeHeart Defects, CongenitalHeart AtriaSitus InversusHeart Septal DefectsAbnormalities, MultipleVenae CavaeDextrocardiaLevocardiaHeart Bypass, RightPulmonary VeinsErythrocruorinsPulmonary Veno-Occlusive DiseaseGrowth Differentiation Factor 1Fetal HeartCyanosisAbortion, EugenicNodal ProteinMagnetic Resonance SpectroscopyAtrioventricular NodeMolecular StructureFetal DiseasesVena Cava, InferiorStereoisomerismFontan ProcedureAzygos VeinSinoatrial NodeTachycardia, SupraventricularHeart BlockUltrasonography, PrenatalHeart ValvesAtrial AppendageProlineModels, MolecularHeart Septal Defects, AtrialPrenatal DiagnosisInfant, NewbornSyndromeBody PatterningPregnancySulfur CompoundsVolatile Organic CompoundsStructure-Activity RelationshipEchocardiographyMolecular Sequence DataGestational AgeAsiaProtein ConformationTime FactorsPlant ExtractsSpleenDrug Evaluation, PreclinicalKineticsInhibitory Concentration 50PhenolsSulfhydryl CompoundsAmino Acid SequenceHeterocyclic CompoundsStomachBiphenyl CompoundsDose-Response Relationship, DrugSmall Molecule LibrariesChromatography, High Pressure LiquidMutationRetrospective StudiesOrganotin CompoundsAniline CompoundsSpiro CompoundsNitrogen CompoundsDrug DesignCell LineDrug Screening Assays, AntitumorTreatment OutcomeBase SequenceNitroso CompoundsOrganophosphorus CompoundsOrganoselenium CompoundsOrganometallic CompoundsCell Line, TumorAzo CompoundsProtein BindingBinding SitesGas Chromatography-Mass SpectrometryCells, CulturedEnzyme InhibitorsOxidation-ReductionFollow-Up StudiesAntineoplastic AgentsEpoxy CompoundsMolecular ConformationQuaternary Ammonium CompoundsVolatilizationMass SpectrometryHigh-Throughput Screening AssaysDrug DiscoverySubstrate SpecificityHydrogen-Ion ConcentrationSpectrophotometry, UltravioletPolycyclic Compounds