Pyogenic Liver Abscess Caused by Endoscopic Submucosal Dissection for Early Colon Cancer by Joon Seop Lee, Yong Hwan Kwon

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Chronological Review of Endoscopic Indices in Inflammatory Bowel Disease by Joon Seop Lee, Eun Soo Kim, Won Moon

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Comparative Study of Narrow-Band Imaging and i-scan for Predicting the Histology of Intermediate-to-Large Colorectal Polyps: A Prospective, Randomized Pilot Study by Joon Seop Lee, Seong Woo Jeon, Yong Hwan Kwon

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Comparison of diagnostic performances of slow-pull suction and standard suction in endoscopic ultrasound-guided fine needle biopsy for gastrointestinal subepithelial tumors by Joon Seop Lee, Chang Min Cho, Yong Hwan Kwon, An Na Seo, Han Ik Bae, Man-Hoon Han

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Unexpected Exposure to Coronavirus Disease at the Endoscopic Room: What Should We Do? by Hyun Jeong Kim, Yong Hwan Kwon, Seong Woo Jeon, Su Yeon Nam, Hyun Suk Lee, Joon Seop Lee, Chang Min Cho, Ki Tae Kwon, Ji Yeon Ham, Changho Kim

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