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) IVERSEN AM,Two outbreaks of foodborne gastroenteritis caused by small round structured virus : evidence of prolonged infectivity in a food handler,Lancet.,,,1987,5,,556-558,https://cir.nii.ac.jp/crid/1570291226236630400,https://doi.org/10.1016/s0140-6736(87)92933-3