[Hygienic prerequisites for optimizing school lessons in the lower grades of secondary school].
Serdiukovskaia
G N
GN
Glushkova
E K
EK
Doskin
V A
VA
Sorokina
T N
TN
D002648:Child; D004644:Emotions / Q000502:physiology; D006339:Heart Rate; D006801:Humans; D006920:Hygiene; D007858:Learning / Q000502:physiology*; D005222:Mental Fatigue / Q000503:physiopathology / Q000517:prevention & control
Gigienicheskie preposylki k optimizatsii shkol'nogo uroka v mladshikh klassakh sredneĭ shkoly.