Davidenko, Nicolás, et al. “Palliative Transtumoral Intubation in Neoplastic Esophageal Strictures. A New Prosthesis With an Anti-Reflux Device”. Cirugía Del Uruguay, vol. 45, no. 1, Feb. 1975, pp. 39-43, https://replica-revista.scu.org.uy/index.php/cir_urug/article/view/2525.