Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) SWERDLOW CD,Using the upper limit of vulnerability to assess defibrillation efficacy at implantation of ICDs,Pacing Clin Electrophysiol,,,2007,30,,258-270,https://cir.nii.ac.jp/crid/1573668924078004992,