Machado F, Santiago P, Barberousse C, Barrios E, Carriquiry LA. Comparison of surgery results in two risk-adjusted populations through the POSSUM system. Cir. Urug. [Internet]. 2002 Apr. 21 [cited 2026 Mar. 29];72(3):237-46. Available from: https://replica-revista.scu.org.uy/index.php/cir_urug/article/view/4462