title: Case description of cap retention in the submucosal tunnel during peroral endoscopic myotomy.
authors.forename: Francisco
authors.initials: F
authors.lastname: Baldaque-Silva
authors.forename: Margarida
authors.initials: M
authors.lastname: Marques
authors.forename: Rosa
authors.initials: R
authors.lastname: Ramalho
authors.forename: Filipe
authors.initials: F
authors.lastname: Vilas-Boas
authors.forename: Miguel
authors.initials: M
authors.lastname: Afonso
authors.forename: Guilherme
authors.initials: G
authors.lastname: Macedo
mesh_terms: D004931:Esophageal Achalasia / Q000601:surgery*; D005260:Female; D006801:Humans; D008297:Male; D057605:Natural Orifice Endoscopic Surgery / Q000379:methods*