Figure 7

Correlation between David Score and concentration of PGs (a) Salicin. (b) Salicortin. (c) Tremulacin. (d) Total PGs. r: Pearson correlation coefficient and P value (N = 18). A trend line is also shown.

Correlation between David Score and concentration of PGs (a) Salicin. (b) Salicortin. (c) Tremulacin. (d) Total PGs. r: Pearson correlation coefficient and P value (N = 18). A trend line is also shown.