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. 2015 Feb 2;10(2):e0116833. doi: 10.1371/journal.pone.0116833

Figure 4. Quantitative histological analysis of extracellular matrix (ECM) formation.

Figure 4

Thickness of group-specific extracellular matrix formation characterized by collagen rich fibers was measured in μm on histology specimens (PAS) under 10-fold magnification. Values are presented as mean ± standard deviation. The asterisks (*) indicate the significant differences between the stimulated and the non-stimulated groups (*p<0.05, **p<0.01, ***p<0.001).