Jobson, M D The effects of water filtration systems on fluoride: Washington, D.C. metropolitan area. [electronic resource] - ASDC journal of dentistry for children - 350-4, 302, 304 p. digital Publication Type: Comparative Study; Journal Article ISSN: 1945-1954 Subjects--Topical Terms: District of ColumbiaFiltration--methodsFluoridation--methodsFluorides--analysisWater Supply--analysis