R. N. Korolenko and A. A. Avramenko, “The frequency of detection of the active form of helicobacter pylori infection in patients with chronic non-atrophic gastritis with biliary dyskinesia on the hypotonic hypokinetic type and with preserved function of the gall bladder”, J Educ Health Sport, vol. 9, no. 2, pp. 471–479, Feb. 2019.