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) Eileen M Crimmins,"Age-Related Vulnerability to Coronavirus Disease 2019 (COVID-19): Biological, Contextual, and Policy-Related Factors",Public Policy & Aging Report,1055-3037,Oxford University Press (OUP),2020,30,4,142-146,https://cir.nii.ac.jp/crid/1360292618766741376,https://doi.org/10.1093/ppar/praa023