I. G. Garcia Felix, C. I. Grande Ramirez, L. Lozano Lugo, and D. E. Torres Ordaz, “Barnard’s Syndrome: Biliary Ileus Secondary to Bilioenteric Fistula. Case Report”, International Journal Of Medical Science And Clinical Research Studies, vol. 5, no. 2, pp. 398–401, Feb. 2025.