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. 2020 Feb 14;21:102. doi: 10.1186/s12891-020-3107-x

Fig. 4.

Fig. 4

The HE staining pictures of bone tissue removed from the fracture region of the left femoral neck. a Some new but very few new bone tissues, with massive fibrous tissues, could be observed in the removed necrotic bone tissues. b some thinning trabeculae structure presented in some areas of the removed necrotic bone tissues. c Necrotic and fibrous bone tissues presented in most of the areas in the removed necrotic bone tissues. (magnification: 40 times)