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Leiman DA, Kochar B, Posner S, Fan C, Patel A, Shaheen O, Keller CY, Koutlas NT, Eluri S, Dellon ES.Leiman DA, et al. Among authors: koutlas nt.Dis Esophagus. 2018 Aug 1;31(8):doy008. doi: 10.1093/dote/doy008.Dis Esophagus. 2018.PMID: 29800243Free PMC article.