BARAL, Shankar et al. Outcome of Pneumatic Balloon Dilatation in Achalasia Cardia. Journal of Advances in Internal Medicine, [S. l.], v. 10, n. 1, p. 8–13, 2021. DOI: 10.3126/jaim.v10i1.37083. Disponível em: https://nepjol.info./index.php/JAIM/article/view/37083. Acesso em: 14 mar. 2025.