OHKURA, Yu et al. Endoscopic submucosal dissection for early esophageal cancer associated with achalasia. Turkish Journal of Gastroenterology, [S. l.], v. 24, n. 2, p. 161–166, 2013. DOI: 10.4318/tjg.2013.0522. Disponível em: https://www.turkjgastroenterol.org/index.php/tjg/article/view/2231. Acesso em: 1 jan. 2026.