Gubergrits, N. B., DyadykY. А., A. Y. Klochkov, N. V. Byelyayeva, M. D. Ivanova, GinkotaY. А., and Y. E. Chirkov. “Clinical Observation of IgG4-Associated Disease”. Herald of Pancreatic Club, Vol. 38, no. 1, Mar. 2018, pp. 34-41, doi:10.33149/vkp.2018.01.06.