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APA Citation
Kim, G. H., Jung, K. W., Jung, H., Kim, M., Na, H. K., Ahn, J. Y., Lee, J. H., Kim, D. H., Choi, K. D., Song, H. J., & Lee, G. H. (2019). superior clinical outcomes of peroral endoscopic myotomy compared with balloon dilation in all achalasia subtypes. Journal of gastroenterology and hepatology, 34(4), 659–665. http://access.bl.uk/ark:/81055/vdc_100079608886.0x00003d