[Effect of water fluoridation in Leningrad on dental caries susceptibility in childhood].
D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D004245:DMF Index; D003733:Dental Caries Susceptibility; D005457:Fluoridation; D006801:Humans; D012426:Russia; D014094:Tooth, Deciduous; D014505:Urban Population
Vliianie ftorirovaniia vody v Leningrade in porazhaemost' zubov kariesom v detskom vozraste