For citations:

Bogomolova S.S., Nil E.A., Akhomgotova D.A., Babakhanova A.A., Tyultyaeva L.A. Peptic ulcer of the stomach and duodenum in geriatrics: endoscopic features. Russian Journal of Geriatric Medicine. 2025;(3):423-425. (In Russ.) https://doi.org/10.37586/2686-8636-3-2025-423-425