title: Letter: Fluoride toxicity.
mesh_terms: D001847:Bone Diseases / Q000139:chemically induced; D002118:Calcium / Q000037:antagonists & inhibitors; D003731:Dental Caries / Q000517:prevention & control*; D005457:Fluoridation; D005459:Fluorides / Q000008:administration & dosage / Q000009:adverse effects / Q000633:toxicity*; D006801:Humans; D007668:Kidney / Q000187:drug effects
chemical_list: D005459:Fluorides; D002118:Calcium