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. 2016 Apr 29;17:191. doi: 10.1186/s12891-016-1015-x

Fig. 5.

Fig. 5

Greater expression of BMP-2 (P < 0.01), Osterix (P < 0.05), and Osteocalcin, (P < 0.01) was observed in Pfirrmann grade V discs compared to grade III discs. *P < 0.05, **P < 0.01