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. 2016 Oct 26;21:42. doi: 10.1186/s40001-016-0236-7

Fig. 3.

Fig. 3

a Histological evaluation of the fracture callus for both experimental groups after 21 days with representative histological images of the callus (Fx = fracture; Fx & C5aRA = fracture with administration of C5aRA). b Results of histological evaluation of PMN after 3 days with representative histological images of the callus region in detail. Results are displayed as mean ± 2 × SEM; size of the scale bar = 100 µm; * = cortex, # = periosteal callus