For citations:
Kovalchuk S.N., Maksimenko E.O., Olyushina E.A., Kotova N.V., Bogomolova E.S. Prevalence of health disorders in schoolchildren of different ages. Russian Pediatric Journal. 2025;28(4S):38-38. (In Russ.) EDN: hfjgzr
Kovalchuk S.N., Maksimenko E.O., Olyushina E.A., Kotova N.V., Bogomolova E.S. Prevalence of health disorders in schoolchildren of different ages. Russian Pediatric Journal. 2025;28(4S):38-38. (In Russ.) EDN: hfjgzr