Cagnoli, Hebert. “The Bado Sign in the Radiographic Diagnosis of Bone Echinococcosis”. Cirugía del Uruguay 19, no. 4 (February 1, 2020): 459–461. Accessed March 28, 2026. https://replica-revista.scu.org.uy/index.php/cir_urug/article/view/946.