Abaturov, O. Y., and Babуch V. L. “Relationship Between the Expression Level of MicroRNA and the Features of Clinical Course of the Gallbladder and Оddi’s Sphincter Functional Disorders in Children”. Zaporozhye Medical Journal, no. 5, Oct. 2019, doi:10.14739/2310-1210.2019.5.179434.