Varela JR, Petracchi E, Quesada MB, Muthular M, Coiz L, Posada H, Canullan C, Yazyi F. Gallstone ileus: analysis of 21 cases. Rev Argent Cir [Internet]. 2023 Aug. 25 [cited 2025 Oct. 21];115(3):233-42. Available from: https://revista.aac.org.ar/index.php/RevArgentCirug/article/view/612