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Helmersson-Karlqvist J, Ärnlöv J, Larsson A, Basu S.Helmersson-Karlqvist J, et al. Among authors: larsson a.Eur Heart J. 2015 Jan 21;36(4):238-43. doi: 10.1093/eurheartj/eht212. Epub 2013 Jun 20.Eur Heart J. 2015.PMID: 23786857