Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Yusuke Hayashi and Kenji Shimeno and Kenichi Nakatsuji and Takahiko Naruko,What is the mechanism of narrow paced QRS duration during left bundle branch area pacing? A case report,European Heart Journal - Case Reports,2514-2119,Oxford University Press (OUP),2020-08-01,4,,1-5,https://cir.nii.ac.jp/crid/1871428067701129344,https://doi.org/10.1093/ehjcr/ytaa239