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) HIRATA K,Usefulness of a combination of systolic function by left ventricular ejection fraction and diastolic function by E/E' to predict prognosis in patients with heart failure,Am J Cardiol.,,,2009,103,,1275-1279,https://cir.nii.ac.jp/crid/1572824499836528384,