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Figure 4: The mRNA-relative expression analysis of osteogenic marker genes ALP, OPN, and OC in control, BMP2/ADSCs, BMP7/ADSCs, and BMP2 + BMP7/ADSCs groups. Results are shown as mean ± SD ( 𝑛 = 3 for each group, * 𝑃 < 0 . 0 5 ).