BRAVO, S. A. G.; C. ALONSO, E.; C. SÁNCHEZ, A. A.; O. SULVARÁN, M.; C. CAOS, I.; M. VILLANUEVA, J. E.; M. OROZCO, M. J.; K. ALCÁZAR , F. Z. Laparoscopic Heller myotomy in sigmoid megaesophagus: function preserving surgery as an alternative to esophagectomy in end stage achalasia . International Surgery Journal, [S. l.], v. 13, n. 7, p. 1235–1238, 2026. DOI: 10.18203/2349-2902.isj20262003. Disponível em: https://www.ijsurgery.com/index.php/isj/article/view/12113. Acesso em: 25 jun. 2026.