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. 2015 Apr 17;10(4):e0124717. doi: 10.1371/journal.pone.0124717

Fig 2. Plot of the changes in the BMP-2 levels in serum at different post-surgery time points.

Fig 2

The BMP-2 levels peaked at times W2 and W16. Significant differences were found between the OA and control groups. Asterisks indicate significant differences with paired-samples T tests.