Luangjaru S. Pneumatic Balloon Dilatation in Achalasia Cardia: A Case Report and Literatures Review. MNRHJ [internet]. 2024 Oct. 7 [cited 2025 Apr. 6];28(1):41-52. available from: https://he04.tci-thaijo.org/index.php/MNRHJ/article/view/2095