ArsenicArsenic PoisoningArsenicalsOxidesWater Pollutants, ChemicalCacodylic AcidArsenitesArsenatesDrinking WaterComplex MixturesSodium CompoundsWater SupplyBangladeshEnvironmental ExposureNailsWater Pollution, ChemicalWater WellsSoil PollutantsEnvironmental MonitoringNew HampshireWater PollutantsGroundwaterEnvironmental PollutantsSkin DiseasesSpectrophotometry, AtomicRoxarsoneFood ContaminationPterisArsenate ReductasesAntimonyIon PumpsMetals, HeavyArsenite Transporting ATPasesMetallurgyMiningCarcinogens, EnvironmentalChileAquaglyceroporinsMass SpectrometryDose-Response Relationship, DrugMethylationHairChromatography, High Pressure LiquidCoalWood