Figure 2: Summary of results.
PL, platelet lysate | Ca, calcium-activated platelet-rich plasma | PRF, platelet-rich fibrin | BA, Bradford assay | ELISA, enzyme-linked immunosorbent assay | VEGF, vascular endothelial growth factor | EGF, endothelial growth factor | HGF, hepatocyte growth factor | TGF-β1, transforming growth factor-beta 1 | SDF-1α, stromal cell-derived growth factor-1 alpha | NS, not significant