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Combination of EPO, Li and polymers to treat osteonecrosis. (A) Schematic of the composite scaffold design. (B) HE staining and Masson staining showing the bone defect repair in the drilling channels. (C) X-radiographic examination showing the implants in the femoral head and the morphology of the femoral head. Reproduced with permission (Li et al., 2018a). Copyright 2018, The Royal Society of Chemistry 2018.
