Mass SpectrometryAntidiuretic AgentsProteinsMethylhistidinesSpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationSpectrometry, Mass, Electrospray IonizationProteomicsBody CompositionMolecular Sequence DataAmino Acid SequenceLiverLipoprotein LipaseBody WeightMuscle ProteinsMolecular WeightProteomeMuscle, SkeletalSwineRNA, MessengerRats, Sprague-DawleyCholesterolElectrophoresis, Polyacrylamide GelBody Mass IndexKineticsInsulinTandem Mass SpectrometryChromatography, LiquidNear DrowningChromatography, High Pressure LiquidBase SequenceSpectrometry, Mass, Secondary IonObesityMass ScreeningTime FactorsGas Chromatography-Mass SpectrometrySpectrometry, Mass, Fast Atom BombardmentCloning, MolecularPeptidesEscherichia coliBinding SitesMutationSequence Homology, Amino AcidRisk FactorsModels, BiologicalAbsorptiometry, PhotonModels, MolecularSensitivity and SpecificityAdipose TissueProtein BindingPeptide MappingMass MediaRecombinant ProteinsTomography, X-Ray ComputedCattleOrgan SizeHydrogen-Ion ConcentrationProtein ConformationPeptide FragmentsSubstrate SpecificityMass Casualty IncidentsElectrophoresis, Gel, Two-DimensionalMolecular StructureTemperatureBone DensityMagnetic Resonance SpectroscopyBacterial ProteinsAnthropometryCross-Sectional StudiesIonsProspective StudiesCell LineDNAHypertrophy, Left VentricularAlgorithmsMagnetic Resonance ImagingSequence AlignmentChromatography, GelMass VaccinationEnergy MetabolismRegression AnalysisSpecies SpecificityCohort StudiesLinear ModelsCalibrationBiological MarkersIsotope LabelingTrypsinMass BehaviorChromosome MappingOverweightChromatography, Ion ExchangeFourier AnalysisPregnancyBody ConstitutionAdiposityBone and BonesAge FactorsAmino AcidsOxidation-ReductionAging