[Effect of systematic physical exercise on actographic indices of sleep and biochemical shifts in pupils].
D002648:Child; D006801:Humans; D010806:Physical Education and Training; D005082:Physical Exertion; D012146:Rest; D012572:School Health Services; D012890:Sleep; D014586:USSR
Vliianie sistematicheskikh fizicheskikh uprazhneniĭ na aktograficheskie pokazateli sna i biokhimicheskie sdvigi v organizme shkol'nikov.