Ioannou A, Koumentakis C, Torresan F. Butterfly Wings Effect on High Resolution Manometry in A Patient with Esophageal Achalasia. JGLD [Internet]. 29Mar.2024 [cited 5Dec.2024];33(1):15-. Available from: https://jgld.ro/jgld/index.php/jgld/article/view/5393