Barium SulfateBariumMineralsBarium CompoundsMineral WatersMineral OilEnemaOsteoporosisBone and BonesMineral FibersBone Diseases, MetabolicStrontiumCalcification, PhysiologicDiverticulum, ColonSilicatesCalcium CompoundsCalciumTrace ElementsPhosphorusFemurRadiusSigmoidoscopyMacrocystisColonic DiseasesPotassiumZeolitesColonoscopyDeglutition DisordersElectron Probe MicroanalysisFractures, BoneBone RemodelingCalcium, DietaryMicroradiographyAluminum SilicatesContrast MediaEsophageal AchalasiaBarium RadioisotopesSpineParathyroid HormoneFluoroscopyHernia, HiatalHipOsteocalcinVitaminsBone Density Conservation AgentsDeglutitionBone DevelopmentCalcium CarbonateLaminariaBone ResorptionManometryMembrane PotentialsMagnesiumZincApatitesCalcium PhosphatesQuartzTime FactorsEsophagusTibiaAluminum CompoundsBone Demineralization, PathologicOxidesCarbonatesCholecystographyPotassium ChannelsColonography, Computed TomographicAlendronateDietary SupplementsEsophageal DiseasesAlkaline PhosphataseVitamin DGastrointestinal HemorrhageDiverticulum, EsophagealDietX-Ray MicrotomographyTomography, X-Ray ComputedIntestinal ObstructionDiatrizoate MeglumineDurapatiteOccult BloodBisacodylIntussusceptionCesiumMicroscopy, Electron, ScanningWater WellsPhosphatesCecal DiseasesCopperRespiratory AspirationAsbestosIon ChannelsDuodenal DiseasesCalcium ChannelsBody WeightChloridesIronBone MatrixBody CompositionTooth Calcification