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Southall DP, Johonston F, Shinebourne EA, Johnston PGB. 24-Hour electrocardiographic study of heart rate and rhythm patterns in population of healthy children. <i>Br Heart J<\/i> 1981; 45: 281\u2013291.","DOI":"10.1136\/hrt.45.3.281"},{"key":"2","doi-asserted-by":"crossref","unstructured":"2. Brodsky M, Wu D, Denes P, Kanakis C, Rosen KM. Arrhythmias documented by 24 hour continuous electrocardiographic monitoring in 50 male medical students without apparent heart disease. <i>Am J Cardiol<\/i> 1977; 39: 390\u2013395.","DOI":"10.1016\/S0002-9149(77)80094-5"},{"key":"3","doi-asserted-by":"crossref","unstructured":"3. Nomura Y, Seki S, Hazeki D, Ueno K, Tanaka Y, Masuda K, et al. Risk factors for development of ventricular tachycardia in patients with ventricular premature contraction with a structurally normal heart. <i>J Arrhythm<\/i> 2019; 36: 127\u2013133.","DOI":"10.1002\/joa3.12286"},{"key":"4","doi-asserted-by":"crossref","unstructured":"4. Sharma N, Cortez D, Imundo JR. 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Premature ventricular complex-induced cardiomyopathy. <i>J Am Coll Cardiol EP<\/i> 2019; 5: 537\u2013550.","DOI":"10.1016\/j.jacep.2019.03.013"},{"key":"8","doi-asserted-by":"crossref","unstructured":"8. Walters TE, Rahmutula D, Szilagyi J, Alhede C, Sievers R, Fang Q, et al. Left ventricular dyssynchrony predicts the cardiomyopathy associated with premature ventricular contractions. <i>J Am Coll Cardiol<\/i> 2018; 72: 2870\u20132882.","DOI":"10.1016\/j.jacc.2018.09.059"},{"key":"9","doi-asserted-by":"crossref","unstructured":"9. Dong Y, Li X, Zheng W, Man Y, Liu J, Yu P, et al. Prevalence and heart rate variability characteristics of premature ventricular contractions detected by 24-hour Holter among outpatients with palpitations in China: A cross-sectional study. <i>BMJ Open<\/i> 2022; 12: e059337.","DOI":"10.1136\/bmjopen-2021-059337"},{"key":"10","doi-asserted-by":"crossref","unstructured":"10. Patel VN, Pierce BR, Bodapati RK, Brown DL, Ives DG, Stein PK. Association of Holter-derived heart rate variability parameters with the development of congestive heart failure in the cardiovascular health study. <i>JACC Heart Fail<\/i> 2017; 5: 423\u2013431.","DOI":"10.1016\/j.jchf.2016.12.015"},{"key":"11","unstructured":"11. Jalife J. Premature ventricular complexes. <i>In<\/i>: Jalife J, Stevenson WG, editors. Zipes and Jalife\u2019s cardiac electrophysiology: From cell to bedside, 8th edn. Elsevier, 2021; 809\u2013813."},{"key":"12","doi-asserted-by":"crossref","unstructured":"12. Ono K, Iwasaki YK, Akao M, Ikeda T, Ishii K, Inden Y, et al. JCS\/JHRS 2020 guideline on pharmacotherapy of cardiac arrhythmias. <i>Circ J<\/i> 2022; 86: 1790\u20131924.","DOI":"10.1253\/circj.CJ-22-0285"},{"key":"13","doi-asserted-by":"crossref","unstructured":"13. Yamada T. 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