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. 2013 Nov 19;8(11):e80004. doi: 10.1371/journal.pone.0080004

Figure 8. Histological and immunohistochemical appearance of osteochondral defect filled with mulberry silk scaffolds (Bm) treated with growth factors in vivo.

Figure 8

(A) AB/SR staining; (B) Birefringence of AB/SR section; (C) immunostaining with type I collagen and (D) immunostaining with type II collagen. Black asterisks denote the scaffold within the defects. Scale bars represented 50 µm.