The implantation of pedicled iliac bone graft with ascending branch of lateral femoral circumflex artery in treating femoral head necrosis;

Detection of the mRNA expression of human angiotensin-converting enzyme 2 as a SARS coronavirus functional receptor in human femoral head;

Treatment of avascular necrosis of femoral head with super-selective multi-arteries infusion of medicine;

Characters of intra-osteal venous angioarchitecture of femoral head and cervix and its potential significance;