[Decrease in the incidence of dental caries as a result of fluoridation in Czechoslovakia].
D003604:Czechoslovakia; D003731:Dental Caries / Q000453:epidemiology* / Q000517:prevention & control; D005457:Fluoridation; D006801:Humans
A fogszuvasodás csökkenése fluor hatására Csehszlovákiában.