Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Nagayasu Ken and Fujiyoshi Sunao and Honma Shigenori and Ichikawa Nobuki and Yoshida Tadashi and Shibata Kengo and Matsui Hiroki and Katsurada Takehiko and Nakakubo Sho and Hatanaka Kanako and Taketomi Akinobu,A Case of Ulcerative Colitis That Worsened Due to Coronavirus Disease 2019 and Was Treated with Subtotal Colectomy,The Japanese Journal of Gastroenterological Surgery,0386-9768,The Japanese Society of Gastroenterological Surgery,2024-04-01,57,4,204-211,https://cir.nii.ac.jp/crid/1390299981561997184,https://doi.org/10.5833/jjgs.2023.0043