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Figure 3 (A) Scattergram of MVA determined by MRI and echocardiography (ECHO) in 22 patients. (B) Bland-Altman plot of the average mean versus the differences between MRI planimetry and MVA derived at ECHO. The solid line is the mean difference; the dotted lines mark the standard deviations of the differences. Abbreviations as in Figure 2.
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