Magnetic Resonance SpectroscopyMagnetic Resonance ImagingElectron Spin Resonance SpectroscopyCreatineSpin LabelsPhosphocreatineCholineProtonsAspartic AcidNuclear Magnetic Resonance, BiomolecularBrainPhosphorusSpectrometry, Mass, Electrospray IonizationSpin TrappingMass SpectrometryInositolPhosphorus IsotopesMagnetic Resonance AngiographyCarbon IsotopesEnergy MetabolismFluorineHydrogen-Ion ConcentrationPhosphatesSpectrum AnalysisDeuteriumMagnetic Resonance Imaging, CineModels, MolecularSpectroscopy, MossbauerReproducibility of ResultsGlutamineBrain ChemistryLactic AcidProtein ConformationGlutamic AcidTandem Mass SpectrometryChromatography, High Pressure LiquidSpectroscopy, Near-InfraredMolecular StructureMetabolomicsChromatography, LiquidSensitivity and SpecificityMuscle, SkeletalMolecular Sequence DataDiffusion Magnetic Resonance ImagingPhosphorylcholineWaterContrast MediaSpectrophotometry, InfraredHydrogenAdenosine TriphosphateAmino Acid SequenceTime FactorsKineticsImage Processing, Computer-AssistedMolecular ConformationFourier AnalysisOxygenSolutionsOxidation-ReductionCarbohydrate SequenceModels, ChemicalBrain MappingSurface Plasmon ResonanceIonsGas Chromatography-Mass SpectrometryProtein Structure, SecondaryCircular DichroismGlycerylphosphorylcholineAlgorithmsMetabolomeLactatesSpectrum Analysis, RamanTemperatureBrain NeoplasmsBrain DiseasesMagneticsBinding SitesMyoglobinGyrus CinguliImage Interpretation, Computer-AssistedPeptidesGadolinium DTPAOccipital LobeChemistryCyclic N-OxidesNeurochemistryProtein BindingImage EnhancementChemical PhenomenaGadoliniumReference ValuesImaging, Three-DimensionalLiverThermodynamicsCarbohydrate ConformationNitrogen IsotopesSpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationGlucoseChromatography, Thin LayerLipids