title: Letter: Fluoride and bones.
mesh_terms: D000368:Aged; D000818:Animals; D001842:Bone and Bones / Q000187:drug effects*; D002118:Calcium; D005459:Fluorides / Q000494:pharmacology* / Q000627:therapeutic use; D006801:Humans
chemical_list: D005459:Fluorides; D002118:Calcium