title: Pseudotumors in a periampullary duodenal diverticulum.
authors: Departments of Radiology and Gastroenterology, Riyadh, and Armed Forces Hospital, Riyadh, Saudi Arabia.
authors: B M
authors: BM
authors: Elsammak
authors: M C
authors: MC
authors: Haddad
authors: M H
authors: MH
authors: Gali
authors: A E
authors: AE
authors: Mohamed
authors: M A
authors: MA
authors: Al Karawi