摘要INTRODUCTIONOsteonecrosis of the femoral head (ONFH) is a devastating disease that causes extreme pain and disability. This condition is bilateral in more than 60％of patients.1 Those suffering from this condition are mostly young or middle aged.2 In the US, more than 20000 individuals are afflicted by ONFH annually, the prevalence of which continues to increase.
作者单位Department of Bone and Joint Surgery,Second Affiliated Hospital of Xi'an Jiaotong University,No.157 Xiwu Road,Xi'an 710004,China[1]Harvard John A.Paulson School of Engineering and Applied Sciences,Harvard University,Cambridge,MA 02138,USA[2]Department of Dermatology,Second Affiliated Hospital of Xi'an Jiaotong University,No.157 Xiwu Road,Xi'an 710004,China[3]Department of Spine Surgery,Honghui Hospital of Xi'an Jiaotong University,No.555 Youyi East Road,Xi'an 710000,China[4]
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