Suiffet, Walter, Enrique Sojo, and María L Iraola. “Topography of Stomach Ulcer”. Cirugía del Uruguay 47, no. 3 (March 3, 1977): 202–207. Accessed May 23, 2026. https://replica-revista.scu.org.uy/index.php/cir_urug/article/view/2872.