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. 2019 Sep 2;8(9):368. doi: 10.3390/antiox8090368

Figure 2.

Figure 2

β-adrenergic stimulation in papillary muscles. Data are expressed in mean ± standard deviation (n = 6 animals/group). Baseline calcium concentration (1.0 mM) is presented as 100%. A, Maximum developed tension normalized per cross-sectional area [DT, g/mm2]. B, positive [+dT/dt, g/mm2/s] and C, negative [−dT/dt, g/mm2/s] tension derivative normalized per cross-sectional area of the papillary muscle. Two-way ANOVA repeated-measures with Tukey post-hoc was used to compare the groups (p < 0.05); * HSF vs Control; # HSF vs HSF + Ly.