For citations:

Larichev A.B., Maiorov M.I., Favstov S.V., Shalopiev A.G. CLINICAL-EPIDEMIOLOGICAL ASPECTS OF GASTRIC AND DUODENUM ULCER. Grekov's Bulletin of Surgery. 2014;173(2):100-104. (In Russ.) https://doi.org/10.24884/0042-4625-2014-173-2-100-104