For citations:

Kozhonazarova G.K. Ranking significance of risk factors in erosive and ulcerative lesions of the gastroduodenal zone in children. Rossiyskiy Vestnik Perinatologii i Pediatrii (Russian Bulletin of Perinatology and Pediatrics). 2023;68(3):55-60. (In Russ.) https://doi.org/10.21508/1027-4065-2023-68-3-55-60