Perrone, L. (1975) “Severe gastrointestinal bleeding from gastrojejunal neophole ulcer: fibroscopic preoperative diagnosis”, Cirugía del Uruguay, 45(1), pp. 73–76. Available at: https://replica-revista.scu.org.uy/index.php/cir_urug/article/view/2545 (Accessed: 24 May 2026).