[Effect of water fluoridation on the prevalence and incidence of caries of the permanent teeth of Leningrad schoolchildren].
D000293:Adolescent; D002648:Child; D003731:Dental Caries / Q000453:epidemiology*; D005457:Fluoridation; D006801:Humans; D012426:Russia; D014505:Urban Population
Vliianie ftorirovaniia vody na rasprostranennost' i intensivnost' kariesa postoiannykh zubov u shkol'nikov Leningrada.