Parra, S. R. M., Sánchez, O. S., Ibarra, R. M., Barrientos, C. Z. D., Gandarillas, C. A. M. and González, J. M. E. (2023) “Gallbladder agenesis in a patient with choledochoduodenal fistula, report of an exceptional case”, International Journal of Research in Medical Sciences, 11(8), pp. 3012–3016. doi: 10.18203/2320-6012.ijrms20232145.