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) J.Douglas Ridges and Donald C. Harrison,Nomograms for determination of mixed venous oxygen content and oxygen step-up in atrial septal defect,American Heart Journal,0002-8703,Elsevier BV,1970-10,80,4,575-577,https://cir.nii.ac.jp/crid/1361137043770979968,https://doi.org/10.1016/0002-8703(70)90209-7