MUSTAFAVI, S.; SAMEE, A. A.; SIDDIQUI, S.; YOUSRA, T. A case report on achalasia cardia type - II. International Surgery Journal, [S. l.], v. 6, n. 9, p. 3401–3405, 2019. DOI: 10.18203/2349-2902.isj20194086. Disponível em: https://www.ijsurgery.com/index.php/isj/article/view/4644. Acesso em: 10 nov. 2025.