Delgado Pereira B. About purpose of a case of sigmoid-rectal invagination from the anus, caused by rectosigmoid carcinoma. Cir. Urug. [Internet]. 2020 Mar. 23 [cited 2026 May 23];31(1-2):82-9. Available from: https://replica-revista.scu.org.uy/index.php/cir_urug/article/view/1532