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9 - Sabharwal T, Gulati MS, Fotiadis N, Dourado R, Botha A, Mason R, et al. Randomised comparison of the FerX Ella antireflux stent and the ultraflex stent: Proton pump inhibitor combination for prevention of post-stent reflux in patients with esophageal carcinoma involving the esophago-gastric junction. J Gastroenterol Hepatol. 2008;23(5):723-8.