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(A and B) Migration of HUVECs and HUASMCs on different 316L SS surfaces after 1 d of culture with donor supplement. (C and D) Competitive growth of HUVECs (green) and HUASMCs (red) on different surfaces with donor supplement. Statistically significant differences are indicated by *P < 0.05, **P < 0.005, or ***P < 0.001 compared with the control group.
