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) BUTTERWORTH JS,Papilloma of cusp of the aortic valve. Report of a patient with sudden death,Circulation,,,1973,48,,213-215,https://cir.nii.ac.jp/crid/1574231874953109888,