著者名,タイトル,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) RECOVERY Collaborative Group,"Tocilizumab in patients admitted to hospital with COVID‐19 (RECOVERY): preliminary results of a randomised, controlled, open‐label, platform trial",medRxiv,,,,,,,https://cir.nii.ac.jp/crid/1370857593765585806,