Sociometric TechniquesCanadaChemistry Techniques, AnalyticalMass SpectrometryElectrophoresis, CapillaryMetabolomicsSpectrometry, X-Ray EmissionBiosensing TechniquesChromatography, High Pressure LiquidGas Chromatography-Mass SpectrometryFood AnalysisEnvironmental MonitoringChromatography, GasReproducibility of ResultsMagnetic Resonance Spectroscopy