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Hemotoxylin and eosin (H&E) staining of the decalcified samples. A, B, C, D, and E show images of GP, LP, SP, positive control group, and the negative control group. Blue arrows indicate bone matrix spotted with osteocytes, green arrows indicate osteoid, and yellow arrows indicate Haversian canals. Scale bars = 1000 μm in A-1, B-1, C-1, D-1 and E-1; Scale bars = 100 μm in A-2, B-2, C-2, D-2 and E-2.
