title: Localization of an insulinoma by ultrasonic endoscopy.
authors.forename: N
authors.initials: N
authors.lastname: Heyder
mesh_terms: D007516:Adenoma, Islet Cell / Q000175:diagnosis*; D004724:Endoscopy; D006801:Humans; D007340:Insulinoma / Q000175:diagnosis*; D008297:Male; D008875:Middle Aged; D010190:Pancreatic Neoplasms / Q000175:diagnosis*; D014463:Ultrasonography