title: Endoscopic diagnosis of a duodenal gastrinoma.
authors.affiliation: Department of Gastroenterology, Veterans Administration Medical Center, Phoenix, Arizona 85012.
authors.forename: D D
authors.initials: DD
authors.lastname: Wadas
authors.forename: P G
authors.initials: PG
authors.lastname: Foutch
authors.forename: R K
authors.initials: RK
authors.lastname: Manne
authors.forename: R A
authors.initials: RA
authors.lastname: Sanowski
mesh_terms: D004379:Duodenal Neoplasms / Q000175:diagnosis*; D004384:Duodenoscopy; D015408:Gastrinoma / Q000175:diagnosis*; D006801:Humans; D008297:Male; D008875:Middle Aged; D015043:Zollinger-Ellison Syndrome / Q000175:diagnosis