Briones Hernández, J.E. , González De Caso, C.Y. , López Villegas, J.L. and Ruvalcaba Velázquez, J.A. 2026. Cholecystoduodenal Fistula: A Case Report in a Secondary Care Hospital. International Journal of Medical Science and Clinical Research Studies . 6, 05 (May 2026), 870–874. DOI:https://doi.org/10.47191/ijmscrs/v6-i5-12.