1812-95281812-9528S1812-9528201900020002410.18004/mem.iics/1812-9528/2019.017.02.24-035ParaguayParaguayParaguay000820190008201917224352008161114-20200312820151133209-1920169040-5820133533391-4032016545641-5320058399670-6195368141-8Instituto Nacional de Tecnología, Normalización y Metrología20116°2007U.S. Department of Health and Human Services Federal Panel on Community Water Fluoridation20152006441187-952005897-9262005280242423194-2022015911165-71201012366675-92012441585201425771891-903201531441787-9420063666433-87201171135-4220101-16APHA/AWWA/WEF1992174-102U.S. Department of Agriculture and U.S. Department of Health and Human Services (USDA/HHS)2010201414-541995I20147210104105-14201775531-7USEPA201620121471-31-384-90200620727221-620143455658-692002891-10