Chang, J., Yoo, I. kyung, Günay, S., Paköz, Z. B., & Cho, J. young. (2020). Clinical usefulness of esophagogastric junction distensibility measurement in patients with achalasia before and after peroral endoscopic myotomy. Turkish Journal of Gastroenterology, 31(5), 362–367. https://doi.org/10.5152/tjg.2020.19105