C. A. C. Velazquez, J. E. L. López, J. J. Silva, J. M. M. Bufajer, J. E. R. Espino, and O. G. Méndez, “Case series of gallstone ileus: only enterolitotomy, one stage or two stage surgery?”, Int J Res Med Sci, vol. 11, no. 7, pp. 2649–2652, Jun. 2023.