Biological Specimen BanksMicroscopy, Electron, Scanning TransmissionForensic ToxicologyHolographyElectron Microscope TomographySpecimen HandlingSpectroscopy, Electron Energy-LossTissue EmbeddingGas Chromatography-Mass SpectrometryMicroscopyTissue BanksSubstance Abuse DetectionCryoelectron MicroscopyImaging, Three-DimensionalMicroscopy, Fluorescence, MultiphotonChromatography, GasSensitivity and SpecificityReproducibility of ResultsElectronsImage Processing, Computer-AssistedReference StandardsFatal OutcomeEquipment DesignMicroscopy, ConfocalEye BanksChromatography, High Pressure LiquidMicroscopy, FluorescenceBlood BanksAlgorithms