著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Anupam Kumar Singh and Anuraag Jena and Praveen Kumar‐M and Vishal Sharma and Shaji Sebastian,Risk and outcomes of coronavirus disease in patients with inflammatory bowel disease: A systematic review and meta‐analysis,United European Gastroenterology Journal,2050-6406,Wiley,2021-03,9,2,159-176,https://cir.nii.ac.jp/crid/1360576285992705536,https://doi.org/10.1177/2050640620972602