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Number of apoptotic cells (%) in 2D and 3D cultures at 120 (A) and 168 h (B). Curves represent triplicate biological repeats and are displayed as mean ± SEM (n = 3). One-way ANOVA statistic method with post-hoc test Tukey HSD (*P < 0.05 vs. 2D; #P < 0.05 vs. 3D ULA).
