Tolu, T. et al. 2026. Gastrointestinal Bleeding as an Unusual Presentation of Groove Pancreatitis Complicated by Intramural Duodenal Hematoma. Turkish Journal of Gastroenterology. 37, 7 (Apr. 2026), 811–813. DOI:https://doi.org/10.5152/tjg.2026.26084.