title: Retrograde Duodenoduodenal Intussusception: An Uncommon Complication of Peptic Ulcer.
authors.affiliation: Department of Gastroenterology, Kecioren Research and Training Hospital, Ankara, Turkey.
authors.forename: Ayşe
authors.initials: A
authors.lastname: Kefeli
authors.forename: Sebahat
authors.initials: S
authors.lastname: Basyigit
authors.forename: Abdullah Ozgur
authors.initials: AO
authors.lastname: Yeniova
authors.forename: Metin
authors.initials: M
authors.lastname: Uzman
authors.forename: Bora
authors.initials: B
authors.lastname: Aktaş
mesh_terms: D006801:Humans; D007443:Intussusception / Q000175:diagnosis*; D008297:Male; D008875:Middle Aged; D010437:Peptic Ulcer / Q000150:complications*