9 A multicenter study in Busan city and Gyeongsangnam-do province area also showed an increasing trend in EoE diagnosis. 11 Moreover, the recent registration of the International Classification of Diseases 10th Revision code for EoE in Korea warrants further validation of this trend based on a nationwide study like achalasia. 12 ENDOSCOPY AS A DIAGNOSTIC TOOL FOR EOSINOPHILIC ESOPHAGITIS Endoscopy i
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