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) Julius M. Gardin,Doppler measurements of aortic blood flow velocity and acceleration: Load-independent indexes of left ventricular performance?,The American Journal of Cardiology,0002-9149,Elsevier BV,1989-10,64,14,935-936,https://cir.nii.ac.jp/crid/1362825894703216256,https://doi.org/10.1016/0002-9149(89)90845-x