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. 2023 Sep 7;29(9):e13454. doi: 10.1111/srt.13454

FIGURE 4.

FIGURE 4

Scatter plots of the one‐time CSL and real SER, showing Spearman's correlation coefficient (R2) and the p value of the left cheek testing point. (A) Before sebum removal. (B) After sebum removal.