Yamaguchi, A. 2024. Prevention of Atrial Fibrillation using Vaughan Williams Class IC Drugs for Multiple Premature AtrialContractions: A Clinical Observational Study. Journal of Cardiology and Cardiovascular Medicine. 9, 3 (Nov. 2024), 158–163. DOI:https://doi.org/10.29328/journal.jccm.1001198.