Marginal Ulcer Perforation After One-Anastomosis Gastric Bypass: Case Report and Literature Review. - Vasil'evich Kolyadko, Pavel; Kolyadko, Vasily Pavlovich; Degovtsov, Evgeniy Nikolaevich; Satinov, Vladimir Alekseevich; Samoylov, Vladimir Sergeevich; Stepanenko, Artem Vladimirovich (Indian Journal of Surgery, 2024)