[Hygienic basis for the volume of dictation exercises for younger schoolchildren].
D002648:Child; D006801:Humans; D007858:Learning / Q000502:physiology*; D011603:Psychophysiology; D013315:Stress, Psychological / Q000503:physiopathology
Gigienicheskoe obosnovanie ob'ema diktanta dlia mladshikh shkol'nikov.