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) Marc Lipsitch and David L. Swerdlow and Lyn Finelli,Defining the Epidemiology of Covid-19 — Studies Needed,New England Journal of Medicine,0028-4793,Massachusetts Medical Society,2020-03-26,382,13,1194-1196,https://cir.nii.ac.jp/crid/1362825895049457920,https://doi.org/10.1056/nejmp2002125