[The content of fluorine in the water reservoirs of Irkutsk and its hygienic significance].
D003731:Dental Caries; D005459:Fluorides; D005461:Fluorine; D006801:Humans; D014867:Water; D014881:Water Supply
D014867:Water; D005461:Fluorine; D005459:Fluorides
DENTAL CARIES; WATER SUPPLY