title: Routine use of selective venous sampling for the localization of functioning islet cell tumors of the pancreas.
authors.forename: J A
authors.initials: JA
authors.lastname: van Heerden
authors.forename: C S
authors.initials: CS
authors.lastname: Grant
mesh_terms: D007516:Adenoma, Islet Cell / Q000175:diagnosis* / Q000601:surgery; D006801:Humans; D007432:Intraoperative Period; D010190:Pancreatic Neoplasms / Q000175:diagnosis* / Q000000981:diagnostic imaging; D014463:Ultrasonography