Aydin, M., O. Guler, M. Karaayvaz, and S. Ugras. “The Procedures of Treatment in Esophagus Carcinomas”. Annals of Medical Research, vol. 4, no. 4, May 2021, pp. 0434-7, http://www.annalsmedres.org/index.php/aomr/article/view/2635.