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Observer agreement in the assessment of narrowband imaging system surface patterns in Barrett's esophagus: a multicenter study.
Singh M, Bansal A, Curvers WL, Kara MA, Wani SB, Alvarez Herrero L, Lynch CR, van Kouwen MC, Peters FT, Keighley JD, Rastogi A, Pondugula K, Kim R, Singh V, Gaddam S, Bergman JJ, Sharma P. Singh M, et al. Among authors: pondugula k. Endoscopy. 2011 Sep;43(9):745-51. doi: 10.1055/s-0030-1256631. Epub 2011 Aug 10. Endoscopy. 2011. PMID: 21833901