Reproducibility of ResultsSensitivity and SpecificityTandem Mass SpectrometryChromatography, LiquidLimit of DetectionReference StandardsCalibrationChromatography, High Pressure LiquidMass SpectrometryPolymerase Chain ReactionImage Processing, Computer-AssistedIsotope LabelingAlgorithmsImage Interpretation, Computer-AssistedSpectrometry, Mass, Electrospray IonizationProteomicsAutomationImaging, Three-DimensionalReal-Time Polymerase Chain ReactionGas Chromatography-Mass SpectrometrySolid Phase ExtractionAutomation, LaboratoryMagnetic Resonance ImagingTime FactorsOrganic ChemicalsPhantoms, ImagingReverse Transcriptase Polymerase Chain ReactionImage EnhancementFluorescent DyesObserver VariationContrast MediaTaq PolymeraseChemistry Techniques, AnalyticalImmunoassayPositron-Emission TomographyAnalytic Sample Preparation MethodsSoftwareDNA PrimersViral LoadStaining and LabelingProteomeLinear ModelsChromatography, Reverse-PhaseBacterial LoadRNA, MessengerRadiopharmaceuticalsTomography, Emission-Computed, Single-PhotonBrainReference ValuesMagnetic Resonance Imaging, CineColony Count, MicrobialReagent Kits, DiagnosticMolecular Sequence DataFluorescenceNortropanesModels, BiologicalEnzyme-Linked Immunosorbent AssayBiological MarkersQuality ControlRadiographic Image Interpretation, Computer-AssistedFeasibility StudiesTomography, X-Ray ComputedMagnetic Resonance SpectroscopyArtifactsColorimetryIndicators and ReagentsProteinsDrug StabilitySpecimen HandlingTomography, Emission-ComputedFluorometryBiological AssayForensic ToxicologyIndicator Dilution TechniquesElectrophoresis, CapillarySubstance Abuse DetectionPredictive Value of TestsTissue DistributionComputer SimulationPeptidesPlasmaComputer SystemsGene Expression ProfilingFlow CytometryNephelometry and TurbidimetryDNA, ViralLeast-Squares AnalysisBranched DNA Signal Amplification AssayNitrogen IsotopesMicroscopy, FluorescenceDNAHigh-Throughput Screening AssaysSpectrophotometry, UltravioletPattern Recognition, AutomatedBase SequenceModels, StatisticalKineticsModels, TheoreticalSwineMicroscopy