Bado, José L, and Hebert Cagnoli. “Calcaneal Duckbill Fracture: About Its Pathogenesis and Its Treatment”. Cirugía Del Uruguay, vol. 16, no. 7-8, Jan. 2020, pp. 243-61, https://replica-revista.scu.org.uy/index.php/cir_urug/article/view/784.