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)
OCEBM Levels of Evidence Working Group,"""The Oxford 2011 Levels of Evidence."" Oxford Centre for Evidence-Based Medicine",http://www.cebm.net/index.aspx?o=5653,,,2011,,,,https://cir.nii.ac.jp/crid/1573105974108085632,