[Hygienic recommendations for a school studies regimen for children of the age of 6 (experimental teaching)].
D002648:Child; D003479:Curriculum; D006801:Humans; D012572:School Health Services; D013663:Teaching / Q000379:methods*; D013997:Time Factors; D014586:USSR
Gigienicheskie rekomendatsii k rezhimu shkol'nykh zaniatiĭ deteĭ 6-letnego vozrasta (pri éksperimental'nom obuchenii).