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Effect of photobiomodulation on pre-osteoblast viability. (A) MTS assay (n = 3); (B) Western Blotting analysis of B-cell lymphoma 2 (Bcl2) and Bcl-2-associated X protein (Bax) proteins (n = 3); (C) BrdU cell proliferation assay (n = 3). Bars with different letters show statistically significant difference among the analyzed samples. The values represent means ± S.E; p < 0.05, two-way ANOVA followed by Tukey test.
