摘要
Objective To investigate ultrastructurallyinto traumatic avascular necrosis of femoralhead. Methods Femoral heads were procuredduring endoprosthetic replacement for 8 casesof intracapsular fracture of femoral neck,which had been subjected to internal fixationand developed Stage Ⅱ avascular necrosis.The specimens were processed and
基金
Shanghai No.2 Medical University,Shanghai 200025,China (Tang XM).
