title: Response.
authors: Division of Gastroenterology, Department of Epidemiology and Biostatistics and Occupational Health, McGill University Health Center, Montreal, Quebec, Canada.
authors: Alan
authors: A
authors: Barkun
authors: Division of Gastroenterology, McGill University Health Center, Montreal, Quebec, Canada.
authors: Myriam
authors: M
authors: Martel
authors: Division of Gastroenterology, McGill University Health Center, Montreal, Quebec, Canada.
authors: Serge
authors: S
authors: Mayrand
authors: Division of Gastroenterology, McGill University Health Center, Montreal, Quebec, Canada.
authors: Mohammad
authors: M
authors: Yaghoobi
mesh_terms: D002404:Catheterization; D004931:Esophageal Achalasia / Q000628:therapy*; D004939:Esophageal Perforation / Q000209:etiology*; D049630:Esophageal Sphincter, Lower / Q000601:surgery*; D006801:Humans; D009092:Mucous Membrane / Q000293:injuries*