[Effect of certain social hygienic and biological factors on the physical development of schoolchildren in a rural locality].
D002648:Child; D006128:Growth; D006801:Humans; D012424:Rural Population; D012426:Russia; D012959:Socioeconomic Factors
O vliianii nekotorykh sotsial'no-gigienicheskikh i biologicheskikh faktorov na fizicheskoe razvitie detei doshkol'nogo vozrasta v sel'skom mestnosti.