For citations:

Saldan I.P., Pashkov A.P., Zhukova O.V. Comparative analysis of the physical development of schoolchildren of 7-10 years in urban and rural areas. Hygiene and Sanitation. 2019;98(3):308-313. (In Russ.) https://doi.org/10.47470/0016-9900-2019-98-3-308-313