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Endoscopy 2016; 48(10): 953
DOI: 10.1055/s-0042-112575
Letters to the editor
© Georg Thieme Verlag KG Stuttgart · New York

Peroral endoscopic myotomy for sigmoid-type achalasia: the myotomy length and ways to facilitate the procedure

Yuyong Tan
,
Deliang Liu
,
Jirong Huo