For citations:
Anikina K.A., Polivanova T.V., Vshivkov V.A. Course of Helicobacter pylori-associated gastritis in adolescents with hypovitaminosis D. Russian Pediatric Journal. 2023;26(6):421-425. (In Russ.) https://doi.org/10.46563/1560-9561-2023-26-6-421-425. EDN: xqebve