经转子病灶刮除加自体骨膜骨颗粒植入治疗股骨头缺血性坏死疗效观察

• CLINICAL STUDY ON TREATMENT OF AVASCULAR NECROSIS OF FEMORAL HEAD BY CORE FOCUS CURETTEMENT AND IMPLANTATION OF AUTOGENOUS PERIOSTEUM AND BONE GRANULES THROUGH TROCHANTER