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. 2016 Jul 11;11(7):e0157698. doi: 10.1371/journal.pone.0157698

Fig 13. Hard tissue sections stained with toluidine blue light microscopy observations at week 24 after surgery.

Fig 13

(A, B): implanted with a rhBMP-2-loaded/CS AVB (group A) A: × 20 magnification; B: × 40 magnification; (C, D): implanted with a non-drug-loaded/CS AVB (group B) C: × 20 magnification; D: × 40 magnification; (E, F):implanted with a autologous iliac bone graft (group C) E: × 20 magnification; F: × 40 magnification; the yellow arrow indicate the implant HA/ZrO2-based AVB; the red arrow indicate the HA that under degradation; the green arrow indicate new bone, which was more immature would be tinted deeper blue; and the blue arrow indicate autologous.