Viola Alles, Alberto, and Alberto Vasallo. “Tracheal Tumors: Analysis of 35 Cases. Clinical Description and Therapeutic Results”. Cirugía del Uruguay 55, no. 2-3 (April 10, 1985): 98–102. Accessed May 25, 2026. https://replica-revista.scu.org.uy/index.php/cir_urug/article/view/3657.