Tanaka, S., Kawara, F., Toyonaga, T., Bechara, R., Hoshi, N., Abe, H., … Umegaki, E. (2018). A novel method of endoscopic-assisted esophageal clearance in advanced achalasia. Endoscopy International Open, 6(1), E86-E89. https://doi.org/10.1055/s-0043-122229