Sai Keshava Reddy Atla, Aparna Korisetty, and Vijay Kumar Naik Banavath, “A Rare Case of Grade I Duodenal Neuroendocrine Tumor Presenting with Upper Gastrointestinal Bleeding and Severe Iron Deficiency Anemia”, jemds, vol. 15, no. 3, pp. 84–89, Aug. 2026.