Age norms of physical development of schoolchildren of the 1st stage of the city of Kazan
A. V. Levitsky , А. V. Samoilova
Kazan medical journal ›› 1929, Vol. 25 ›› Issue (2) : 202 -205.
Age norms of physical development of schoolchildren of the 1st stage of the city of Kazan
It is hardly necessary to prove the importance and necessity of having average figures for the physical development of schoolchildren.
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