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Grunnet M, Behr ER, Calloe K, Hofman-Bang J, Till J, Christiansen M, McKenna WJ, Olesen SP, Schmitt N.Grunnet M, et al. Among authors: olesen sp.Heart Rhythm. 2005 Nov;2(11):1238-49. doi: 10.1016/j.hrthm.2005.07.025.Heart Rhythm. 2005.PMID: 16253915