Gubergrits, N. B., N. V. Byelyayeva, G. M. Lukashevich, P. G. Fomenko, A. V. Yuryeva, and E. N. Koval. “Biliary Dyskinesia: Traditional and Modern Views”. Herald of Pancreatic Club, Vol. 45, no. 4, Oct. 2019, pp. 71-76, doi:10.33149/vkp.2019.04.10.