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) GRAHAM DY,Norwalk virus infection of volunteers : new insights based on improved assays,J Infect Dis,,,1994,170,,34-43,https://cir.nii.ac.jp/crid/1570009750158598912,