1. Lane NE (2006) Therapy insight: osteoporosis and osteonecrosis in systemic lupus erythematosus. Nat Clin Pract Rheumatol 2:562–569
2. Abu-Shakra M, Buskila D, Shoenfeld Y (2003) Osteonecrosis in patients with SLE. Clin Rev Allergy Immunol 25:13–24
3. Fukushima W, Hirota Y, Fujioka M, Kubo T, Tamakoshi A, Nagai M (2007) The final report of the national epidemiologic investigation for idiopathic osteonecrosis of the femoral head. In: Kubo T (ed) Annual report of Japanese investigation committee for intractable diseases, idiopathic osteonecrosis of the femoral head, under the auspices of Ministry of Health and Welfare:1-5 (in Japanese)
4. Zhao FC, Li ZR, Zhang NF, Wang BL, Sun W, Cheng LM, Liu ZH (2009) Lesion size changes in osteonecrosis of the femoral head: a long-term prospective study using MRI. Int Orthop. doi: 10.1007/s00264-009-0829-7
5. Egol KA, Jazrawi LM, DeWal H, Su E, Leslie MP, Di Cesare PE (2001) Orthopaedic manifestations of systemic lupus erythematosus. Bull Hosp Jt Dis 60:29–34