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1·Objective To observe the therapeutic effect of autologous bone marrow in combination with fracture healing stimulin therapy on nonunion.

目的观察自体骨髓联合细胞调控因子经皮注射治疗骨折不愈合的临床疗效。

2·Objective To observe the effects of the fracture healing stimulin, a fracture healing increasing drug from staphylococcus aurous on osteoblasts in vitro .

目的观察骨折愈合刺激素对体外培养成骨细胞的作用。