Amer A Alkhatib. “Sporadic Nonampullary Tubular Adenoma of the Duodenum: Prevalence and patients’ Characteristics”. Turkish Journal of Gastroenterology 30, no. 1 (July 25, 2019): 112–113. Accessed July 7, 2025. https://turkjgastroenterol.avesjournals.com/index.php/tjg/article/view/3641.