Magnetic Resonance SpectroscopyMagnetic Resonance ImagingCreatinePhosphocreatineCholineAspartic AcidMuscle RelaxationProtonsElectron Spin Resonance SpectroscopyNuclear Magnetic Resonance, BiomolecularPhosphorusBrainInositolPhosphorus IsotopesMagnetic Resonance AngiographyCarbon IsotopesFluorineEnergy MetabolismPhosphatesMagnetic Resonance Imaging, CineHydrogen-Ion ConcentrationGlutamineBrain ChemistryLactic AcidGlutamic AcidSpectroscopy, Near-InfraredProtein ConformationModels, MolecularAdenosine TriphosphateSpectrum AnalysisDiffusion Magnetic Resonance ImagingPhosphorylcholineContrast MediaHydrogenMuscle, SkeletalSpectrophotometry, InfraredReproducibility of ResultsSolutionsDeuteriumImage Processing, Computer-AssistedTime FactorsOxygenKineticsSpin LabelsSurface Plasmon ResonanceMolecular Sequence DataWaterBrain MappingSensitivity and SpecificityMass SpectrometryGlycerylphosphorylcholineLactatesProtein Structure, SecondaryCarbohydrate SequenceMetabolomicsCircular DichroismBrain NeoplasmsSpectrum Analysis, RamanBrain DiseasesMolecular StructureMolecular ConformationGyrus CinguliAmino Acid SequenceGadolinium DTPAGadoliniumRelaxationOccipital LobeOxidation-ReductionNitrogen IsotopesNeurochemistryProtein BindingReference ValuesRelaxation TherapyTemperatureMyocardiumChemistryCarbohydrate ConformationImage Interpretation, Computer-AssistedBinding SitesChromatography, High Pressure LiquidChemical PhenomenaMetabolomeGlucoseAlgorithmsImage EnhancementImaging, Three-DimensionalFrontal LobeSpectrometry, Mass, Fast Atom BombardmentSpectrometry, FluorescenceMuscle ContractionLiverModels, ChemicalFourier AnalysisGlycolysisThermodynamicsDeuterium OxideVasodilationProtein Structure, TertiaryChromatography, Thin LayerAnalysis of Variance