Park, S. K., Jin Hong, S., Pil Han, J., Jeong Goong, H., Kim, H. S., Myung, Y. S., … Lee, M. S. (2016). Changes in pressure waves after endoscopic intervention in patients with achalasia: A focus on peristaltic recovery of the esophageal body. Turkish Journal of Gastroenterology, 27(1), 4–9. https://doi.org/10.5152/tjg.2015.150271