For citations:
Sitkin S.I. Report on the work of the 1st stage of the XXIII Congress of the Scientific Society of Gastroenterologists of Russia (GSSR) (St. Petersburg, June 10-11, 2020). Experimental and Clinical Gastroenterology. 2020;(7):167-168. (In Russ.) https://doi.org/10.31146/1682-8658-ecg-179-7-167-168