COMMON PROBLEMS

1.Characteristic symptoms of the AVN of the femoral head

2.Contents of the novel therapy for AVN of the femoral head

3.Mechanism of the novel therapy for AVN of the femoral head

4.Classification principle for AVN of the femoral head

5.Diagnosis of AVN of the femoral head

6.Dynamic modeling mechanism of the hip joint

7.Rehabilitation concept in AVN of the femoral head