Perrier, J. P., Fernández, M. and Sosa, M. C. (2000) “Surgical treatment of achalasia and the option of laparoscopic surgery”, Revista Cirugía del Uruguay, 70(1-2), pp. 36–44. Available at: https://revista.scu.org.uy/index.php/cir_urug/article/view/4382 (Accessed: 19 May 2024).