For citations:

Krivolapchuk I.A., Myshyakov V.V. Peculiarities of the factor structure of physical working capacity in boys and girls aged of 9-10 years. Hygiene and Sanitation. 2017;96(8):759-765. (In Russ.) https://doi.org/10.47470/0016-9900-2017-96-8-759-765