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) FETTERMAN GH.,Anomalies of the circle of Willis in relation to cerebral softening,Arch Pathol,,,1941,32,,251-257,https://cir.nii.ac.jp/crid/1573105974517602176,