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) CLEVELAND JC,Off-pump coronary artery bypass grafting decreases risk-adjusted mortality and morbidity,Ann Thorac Surg,,,2001,72,,1282-1288,https://cir.nii.ac.jp/crid/1573950399974395264,