Gauci, James, Neville Azzopardi, Christine Cannataci, Kelvin Cortis, David Pisani, and Snezana Bozanic. “The Sympathetic Ampulla”. Turkish Journal of Gastroenterology 34, no. 1 (May 1, 2020): 87–88. Accessed May 18, 2026. https://www.turkjgastroenterol.org/index.php/tjg/article/view/4599.