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Current status of primary prevention of sudden cardiac death with implantable cardioverter defibrillator in patients with chronic heart failure: A report from the CHART-2 Study. <i>Circ J<\/i> 2015; 79: 381\u2013390.","DOI":"10.1253\/circj.CJ-14-0925"},{"key":"12","doi-asserted-by":"crossref","unstructured":"12. Enomoto Y, Ikeda T, Nakamura K, Noro M, Sugi K, Moroi M, et al. Impact of high-voltage device implantation in elderly Japanese patients with heart failure as primary prevention: Post hoc analysis of HINODE. <i>Circ J<\/i> 2024; 88: 1118\u20131124.","DOI":"10.1253\/circj.CJ-23-0801"},{"key":"13","doi-asserted-by":"crossref","unstructured":"13. Hanada K, Sasaki S, Kinjo T, Shinkanai S, Yamazaki K, Kato T, et al. Incidence and predictors of appropriate implantable cardioverter defibrillator therapy in Japanese ischemic heart disease patients. <i>Circ J<\/i> 2025; 89: 354\u2013363.","DOI":"10.1253\/circj.CJ-24-0436"},{"key":"14","doi-asserted-by":"crossref","unstructured":"14. 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