Loubejac, Armando M. “Considerations on an Observation of Permanent Distal Esophageal Spasm”. Cirugía del Uruguay 13, no. 3 (January 18, 2020): 99–104. Accessed May 24, 2026. https://replica-revista.scu.org.uy/index.php/cir_urug/article/view/541.