Arsia, Ashish, Priya Hazrah, Shabab Anwar, Shaji Thomas, Pooja Abbey, and Smita Singh. 2021. “Zollinger Ellison Syndrome Due to Primary Nodal Gastrinoma Located Outside the Limits of the Conventional Gastrinoma Triangle: Report of a Case”. International Surgery Journal 8 (5):1653-57. https://doi.org/10.18203/2349-2902.isj20211852.