Bravo, S. A. G., E. C. Alonso, A. A. C. Sánchez, M. O. Sulvarán, I. C. Caos, J. E. M. Villanueva, M. J. M. Orozco, and F. Z. K. Alcázar. “Laparoscopic Heller Myotomy in Sigmoid Megaesophagus: Function Preserving Surgery As an Alternative to Esophagectomy in End Stage Achalasia”. International Surgery Journal, vol. 13, no. 7, June 2026, pp. 1235-8, doi:10.18203/2349-2902.isj20262003.