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) WANG NC,Clinical implications of QRS duration in patients hospitalized with worsening heart failure and reduced left ventricular ejection fraction,JAMA,,,2008,299,,2656-2666,https://cir.nii.ac.jp/crid/1572824501186536320,