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. 2020 Mar 12;35(8):1135–1147. doi: 10.1007/s00380-020-01577-1

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© The Author(s) 2020

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Fig. 2 — Clinical effect of CRT on ESV and the EF. a Comparison of ESV between pre- and post-CRT b Comparison of the EF between pre- and post-CRT. In both graphs, the same symbols are used for each patient. Mean and SEM are indicated beside the symbols