[Hygienic basis for a regimen of intensive mental work for younger schoolchildren performing academic assignments in mathematics].
D002490:Central Nervous System / Q000502:physiology; D002648:Child; D006801:Humans; D008433:Mathematics; D008606:Mental Processes / Q000502:physiology*; D012146:Rest; D013334:Students / Q000523:psychology*; D013647:Task Performance and Analysis; D013997:Time Factors
Gigienicheskoe obosnovanie rezhima intensivnoĭ umstvennoĭ raboty mladshikh shkol'nokov pri vypolnenii uchebnykh zadaniĭ po matematike.