Gubergrits, N. B., N. V. Byelyayeva, A. Y. Klochkov, G. M. Lukashevich, and V. S. Rachmetova. “Early Chronic Pancreatitis: Is a Clinical Diagnosis Possible?”. Herald of Pancreatic Club, Vol. 44, no. 3, July 2019, pp. 33-41, doi:10.33149/vkp.2019.03.03.