The X-ray exhibition and clinic of astragal putrescence of 9 cases were analysed.

方法对已确诊9例距缺血坏死X线表现进分析。

Objective:probing the function mechanism of ZhengGu TongPiDan in curing dyssymphysis,non-bacteroidal bone putrescence and chronic osteomylitis.

探讨痹丹对不愈合、无菌性坏死、慢性髓炎作用机理。