DOI:
10.1055/s-00025476
Endoscopy International Open
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References
Miwa H, Yokoyama T, Hori K. et al.
Interobserver agreement in endoscopic evaluation of reflux esophagitis using a modified Los Angeles classification incorporating grades N and M: a validation study in a cohort of Japanese endoscopists.
Dis Esophagus 2008;
21: 355-363
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