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) KIKKAWA Hiromi and HITOMI Shigemi and WATANABE Masahiro,"Prevalence of toxin A-nonproducing/toxin-B-producing Clostridium difficile in the Tsukuba-Tsuchiura district, Japan",Journal of infection and chemotherapy : official journal of the Japan Society of Chemotherapy,1341321X,,2007-02-01,13,1,35-38,https://cir.nii.ac.jp/crid/1572543025255990144,