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) YUSUF S,Effects of clopidogrel in addition to aspirin in patients with acute coronary syndromes without ST-segment elevation,N Engl J Med.,,,2001,345,,494-502,https://cir.nii.ac.jp/crid/1571417125963144960,