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. 2021 Nov 9;11:21915. doi: 10.1038/s41598-021-01341-z

Figure 5.

Figure 5

The comparison of biomechanical parameters of rat skins after receiving low and high voltages of plasma (a) maximum stress, (b) elastic stiffness, (c) work up to maximum force [*p < 0.05, **p < 0.01, ***p < 0.001, significant differences compared with the control group (without treatment skin)].