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Morphometric analysis of H&E images for determination of the area of (A) cortical bone, (B) marrow-like bone, (C) total bone, and (D) residual biomaterial (keratin or collagen). ^p < 0.05 versus KOS; $p < 0.05 versus 50:50 KOS:KTN; *p < 0.05 versus collagen. Error bars indicate standard error of the mean (n = 8; bilateral from four animals).
