Gastrointestinal ContentsPneumonia, AspirationGastric EmptyingRespiratory Aspiration of Gastric ContentsRespiratory AspirationStomachGastric JuiceIpecacCricoid CartilageGastric LavageGastric Acidity DeterminationHydrochloric AcidForensic ToxicologyGastroesophageal RefluxIntubation, GastrointestinalDrug OverdoseGastric FistulaPepsin AMetoclopramideGas Chromatography-Mass SpectrometryGastric MucosaEsophagusPyloric AntrumGastric AcidPylorusDuodenumStomach UlcerHydrogen-Ion ConcentrationFatal OutcomeAnti-Ulcer AgentsPressurePentagastrinIntubation, IntratrachealGastrointestinal MotilityProton Pump InhibitorsFoodSuicideGastrinsAtropineTime FactorsTissue DistributionProspective StudiesBase CompositionFatty AcidsMolecular Sequence DataPhylogenyLiverRNA, Ribosomal, 16SDNA, RibosomalWater