[Dynamics of the mental work capacity and salivary electrolyte excretion in 4th- to 6th-grade pupils as affected by the academic load].
D000222:Adaptation, Physiological; D001683:Biological Clocks; D002648:Child; D006801:Humans; D007858:Learning / Q000502:physiology*; D008606:Mental Processes / Q000502:physiology*; D009031:Moscow; D011188:Potassium / Q000032:analysis*; D012463:Saliva / Q000032:analysis*; D012964:Sodium / Q000032:analysis*; D013997:Time Factors
D012964:Sodium; D011188:Potassium
Dinamika umstvennoĭ rabotosposobnosti i ékskretsii élektrolitov sliuny u uchashchikhsia 4--6-kh klassov pod vliianiem uchebnykh zaniatiĭ.