Figure 8. In vivo regenerative cartilage masson and safranin-O staining in different groups (n=3). (A–C) Masson staining magnification 10 times (bar 1000 μm). (D–F) Zoom square magnification x200; bar 50 μm. (G–I) Safranin-O staining magnification 10 times (bar 1000 μm). (J–L) Zoom square magnification x200; bar 50 μm.