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) Ito Takako,Transformability of group H streptococcus Challis -2- Transformation of hemolytic activity and competence-provoking factor nonproducibility,Japanese Journal of Microbiology,00215139,Tokyo : Igaku Shoin,1973-11,17,6,439-444,https://cir.nii.ac.jp/crid/1521699229847134848,