Myeongsook Seo, Dong-Hoon Yang, Jihun Kim, Eun Mi Song, Gwang Un Kim, Sung Wook Hwang, Sang Hyoung Park, et al. 2019. “Clinical Outcomes of Colorectal Endoscopic Submucosal Dissection and Risk Factors Associated With Piecemeal Resection”. Turkish Journal of Gastroenterology 29 (4):473-80. https://turkjgastroenterol.avesjournals.com/index.php/tjg/article/view/3569.