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)
Zelalem G. Dessie and Temesgen Zewotir,"Mortality-related risk factors of COVID-19: a systematic review and meta-analysis of 42 studies and 423,117 patients",BMC Infectious Diseases,1471-2334,Springer Science and Business Media LLC,2021-08-21,21,1,1,https://cir.nii.ac.jp/crid/1360861294700740992,https://doi.org/10.1186/s12879-021-06536-3