Media type: E-Article Title: Achalasia treatment in the elderly: is botulinum toxin injection the best option? Contributor: Zárate, Natalia; Mearin, Fermín; Baldovino, Francisco; Armengol, Jose-Ramón; Malagelada, Juan-Ramón imprint: Ovid Technologies (Wolters Kluwer Health), 2002 Published in: European Journal of Gastroenterology & Hepatology Language: English DOI: 10.1097/00042737-200203000-00013 ISSN: 0954-691X Keywords: Gastroenterology ; Hepatology Origination: Footnote: