Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Okumura Ken and Komatsu Takashi,Selection and usage of sodium channel blockers in clinical cases,Japanese Journal of Electrocardiology,0285-1660,Japanese Heart Rhythm Society,2003,23,2,181-189,https://cir.nii.ac.jp/crid/1390282679749059456,https://doi.org/10.5105/jse.23.181