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. 2019 Nov 5;11(4):33. doi: 10.1038/s41368-019-0066-x

Fig. 1.

Fig. 1

Cell number per cm2 (a) and cell viability of hPDL fibroblasts (b, MTT assays) after 72 h of incubation. N = 2, n = 6. Bars indicate mean values ± standard deviation. **P ≤ 0.01, ***P ≤ 0.001