Barium SulfateBariumWaterSaltsBarium CompoundsWater SupplyEnemaFresh WaterBody WaterWater PollutionWater PurificationBile Acids and SaltsWater Pollutants, ChemicalWater PollutantsSodium ChlorideStrontiumWater DeprivationDiverticulum, ColonSodium Chloride, DietaryDrinkingWater MovementsWater WellsPotassiumSalt GlandWater SofteningSigmoidoscopyMacrocystisColonic DiseasesDeglutition DisordersSodiumColonoscopyContrast MediaSalt-ToleranceWater-Electrolyte BalanceEsophageal AchalasiaAquaporinsBarium RadioisotopesChloridesDeglutitionCalciumTime FactorsSeawaterMembrane PotentialsHydrogen-Ion ConcentrationFluoroscopyHernia, HiatalManometrySalinityLaminariaKineticsEsophagusRiversIon ChannelsElectron Probe MicroanalysisDehydrationPotassium ChannelsTemperatureCesiumCholecystographyColonography, Computed TomographicAquaporin 1Osmolar ConcentrationGastrointestinal HemorrhageEsophageal DiseasesDiatrizoate MeglumineMolecular Sequence DataFiltrationChlorineDiverticulum, EsophagealIonsImmersionWaste WaterPlant TranspirationOsmotic PressureIntestinal ObstructionZeolitesOccult BloodPotassium ChlorideWater CycleBisacodylRespiratory AspirationModels, MolecularIntussusceptionEnvironmental MonitoringSalt-Tolerant PlantsCationsCecal DiseasesSolventsDroughtsCations, DivalentCalcium ChannelsSurface PropertiesDiet, Sodium-RestrictedThermodynamicsDuodenal DiseasesElectrolytesRectumElectric ConductivityDeuterium OxideDose-Response Relationship, Drug