title: A Rare Cause of Upper Gastrointestinal Bleeding.
authors.affiliation: Department of Abdominal Surgery, Vladimir City Clinical Hospital of Emergency Medicine, Vladimir, Russia.
authors.forename: Mahir
authors.initials: M
authors.lastname: Gachabayov
authors.affiliation: Department of Abdominal Surgery, Vladimir City Clinical Hospital of Emergency Medicine, Vladimir, Russia.
authors.forename: Petr
authors.initials: P
authors.lastname: Mityushin