title: Closing the gap in POEM.
authors.forename: D
authors.initials: D
authors.lastname: Yang
authors.forename: P V
authors.initials: PV
authors.lastname: Draganov
mesh_terms: D004931:Esophageal Achalasia / Q000601:surgery*; D049630:Esophageal Sphincter, Lower / Q000601:surgery*; D005260:Female; D006801:Humans; D008297:Male; D057605:Natural Orifice Endoscopic Surgery; D013524:Surgical Flaps; D058106:Wound Closure Techniques