Fluoride webpage World Health Organization
https://www.who.int/ipcs/assessment/public_health/fluoride/en/
Document Tag: Fluoride
Fluoride webpage World Health Organization
https://www.who.int/water_sanitation_health/diseases-risks/diseases/fluorosis/en/
Fluoride webpage American Cancer Society
https://www.cancer.org/cancer/cancer-causes/water-fluoridation-and-cancer-risk.html
Fluoride webpage Water Systems. Org
http://www.clinicians.org/images/upload/WSC%20Fluoride&WellWater.pdf