Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) TOYONAGA Takashi and MORITA Yoshinori and UMEGAKI Eiji,Current status of colorectal ESD and challenge to the limit,Nippon Shokakibyo Gakkai Zasshi,0446-6586,The Japanese Society of Gastroenterology,2017,114,6,989-1000,https://cir.nii.ac.jp/crid/1390282681378763392,https://doi.org/10.11405/nisshoshi.114.989