IOANNOU, A.; KOUMENTAKIS, C.; TORRESAN, F. Butterfly Wings Effect on High Resolution Manometry in A Patient with Esophageal Achalasia. Journal of Gastrointestinal and Liver Diseases, [S. l.], v. 33, n. 1, p. 15–15, 2024. DOI: 10.15403/jgld-5393. Disponível em: https://www.jgld.ro/jgld/index.php/jgld/article/view/5393. Acesso em: 9 aug. 2026.