Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Fumihiko Okada and Shinji Kinoshita and Go Konishi,Mechanism of irregular parasystole: Differentiation of second-degree entrance block from electrotonic modulation,American Heart Journal,0002-8703,Elsevier BV,1992-09-01,124,,816-823,https://cir.nii.ac.jp/crid/1871709542858197632,https://doi.org/10.1016/0002-8703(92)90305-f