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) CALDARERA I.,Multiplane transesophageal echocardiography and morphology of regurgitant mitral valves in surgical repair.,Eur Heart J,,,1995,16,,999-1006,https://cir.nii.ac.jp/crid/1571980074383327104,