DESIGN, TIME AND SETTING: A randomized controlled research on animals was performed in Bone Circulation and Osteonecrosis Laboratory of China-Japan Friendship Hospital from February to August in 2008.

• 设计、时间及地点：随机对照开放性动物体内实验，于2008-02/08在中日友好医院骨坏死与骨循环实验室完成。