For citations:
Polivanova T.V., Vshivkov V.A., Ahmetshin T.N. Gastroesophageal reflux disease and risk factors in schoolchildren. Russian Pediatric Journal. 2024;27(5):380-384. (In Russ.) https://doi.org/10.46563/1560-9561-2024-27-5-380-384. EDN: rkqtjv