Briones Hernández, J. E. ., C. Y. . González De Caso, J. L. . López Villegas, and J. A. Ruvalcaba Velázquez. “Cholecystoduodenal Fistula: A Case Report in a Secondary Care Hospital”. International Journal of Medical Science and Clinical Research Studies, vol. 6, no. 05, May 2026, pp. 870-4, doi:10.47191/ijmscrs/v6-i5-12.