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APA Citation
Friberg, L., Hammar, N., Edvardsson, N., & Rosenqvist, M. (2009). the prognosis of patients with atrial fibrillation is improved when sinus rhythm is restored: report from the Stockholm Cohort of Atrial Fibrillation (SCAF). Heart, 95(12), 1000–1005. http://access.bl.uk/ark:/81055/vdc_100135563106.0x000014