MetabolomicsMetabolomeMetabolismMass SpectrometryChromatography, LiquidMetabolic Networks and PathwaysGas Chromatography-Mass SpectrometryPrincipal Component AnalysisMagnetic Resonance SpectroscopySystems BiologyProteomicsSoftwareDatabases, ChemicalTandem Mass SpectrometryBiological MarkersUrinalysisNutrigenomicsSpectrometry, Mass, Electrospray IonizationBiological PsychiatryLeast-Squares AnalysisGenomicsDatabases, FactualComputational BiologyDiscriminant AnalysisProteomeIsotope LabelingInternet