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. 2019 Mar 11;10(4):1774–1781. doi: 10.1364/BOE.10.001774

Fig. 4.

Fig. 4

Brillouin shifts of the healthy tissue, normal non-regressing and regressing melanomas, displayed as mean ± standard deviation. The difference between the Brillouin shifts is statistically significant (*** p≤0.001, ** p≤0.01).