For citations:

Yakovenko E.P. On the 100th anniversary of Doctor of Medical Sciences, Professor, Honored Scientist of the Russian Federation - Petr Ya. Grigoriev. Experimental and Clinical Gastroenterology. 2024;(9):239-241. (In Russ.) https://doi.org/10.31146/1682-8658-ecg-229-9-239-241