- NORD: Zollinger Ellison Syndrome - A list of alternate names, a general discussion and resources.
- Zollinger-Ellison Syndrome - Rare disorder that causes tumors in the pancreas and duodenum and ulcers in the stomach and duodenum.
- Zollinger-Ellison Syndrome - A case study of a 62 year old white male by Annick Van den Abbeele, MD and Ruth Hardoff, MD.