For citations:

Matalayeva S.Yu. Gallstone disease in children and comorbiditi. Rossiyskiy Vestnik Perinatologii i Pediatrii (Russian Bulletin of Perinatology and Pediatrics). 2021;66(3):34-39. (In Russ.) https://doi.org/10.21508/1027-4065-2021-66-3-34-39