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) Tomoko Kiyohara and Tomoko Sato and Atsuko Totsuka,"Shifting Seroepidemiology of Hepatitis A in Japan, 1973-2003",Microbiology and immunology,03855600,Tokyo : Center for Academic Publications Japan,2007,51,2,185-191,https://cir.nii.ac.jp/crid/1520291855477539456,