Magnetic Resonance SpectroscopyMagnetsMagnetic Resonance ImagingCreatinePhosphocreatineCholineAspartic AcidProtonsElectron Spin Resonance SpectroscopyNuclear Magnetic Resonance, BiomolecularBrainPhosphorusMagneticsInositolNeodymiumPhosphorus IsotopesMagnetic Resonance AngiographyCarbon IsotopesEnergy MetabolismFluorinePhosphatesMagnetic Resonance Imaging, CineHydrogen-Ion ConcentrationGlutamineBrain ChemistryLactic AcidGlutamic AcidSpectroscopy, Near-InfraredDiffusion Magnetic Resonance ImagingContrast MediaSpectrum AnalysisPhosphorylcholineProtein ConformationModels, MolecularAdenosine TriphosphateHydrogenMuscle, SkeletalSpectrophotometry, InfraredReproducibility of ResultsImage Processing, Computer-AssistedCorrosionBrain MappingSurface Plasmon ResonanceSensitivity and SpecificityOxygenSolutionsDeuteriumTime FactorsMass SpectrometryGlycerylphosphorylcholineMolecular Sequence DataLactatesMetabolomicsCarbohydrate SequenceWaterSpin LabelsBrain NeoplasmsKineticsProtein Structure, SecondaryCircular DichroismBrain DiseasesGyrus CinguliSpectrum Analysis, RamanMolecular StructureOccipital LobeImaging, Three-DimensionalNeurochemistryGadolinium DTPAAmino Acid SequenceImage EnhancementImage Interpretation, Computer-AssistedMolecular ConformationOxidation-ReductionCarbohydrate ConformationAlgorithmsGadoliniumChemistryMetabolomeChromatography, High Pressure LiquidChemical PhenomenaReference ValuesSamariumGlucoseProtein BindingFrontal LobeSpectrometry, Mass, Fast Atom BombardmentNitrogen IsotopesBinding SitesLiverNursing Administration ResearchMyocardiumGlycolysisTemperatureFourier AnalysisSpectrometry, FluorescenceMagnetometryPhantoms, ImagingOrthodontic AppliancesChromatography, Thin LayerArtifacts