For citations:

Nagornov I.V., Bova A.A., Yanul A.n., Kriushev P.V. Chronic Gastritis Part 1. Epidemiology. Etiology and Pathogenesis. Classification. Clinical Manifestations. Military Medicine. 2024;(2):56-64. (In Russ.) https://doi.org/10.51922/2074-5044.2024.2.56