Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Yoshiaki Kawase and Naritatsu Saito and Shin Watanabe,A novel equitation to predict the pressure derived collateral flow index in multiple sequential coronary stenoses,Cardiovascular intervention and therapeutics,18684300,Tokyo : Springer Japan,2015-07,30,3,244-250,https://cir.nii.ac.jp/crid/1521136280827302016,