Fossati, A. L, and I Carreras. “Hematemesis and Melenas Due to Duodenal Ulceration Due to a Pancreas Neoplasm: A propósito De Dos Observaciones”. Cirugía del Uruguay 16, no. 9-10 (January 26, 2020): 380–388. Accessed March 29, 2026. https://replica-revista.scu.org.uy/index.php/cir_urug/article/view/825.