1. Avascular necrosis of the talus, scaphoid and metatarsal heads in systemic lupus erythematosus;Aptekar;Clin Orthop,1974
2. Corticosteroid-induced avascular necrosis;Fisher;J Bone Joint Surg,1971
3. Small bone changes secondary to systemic lupus erythematosus;Green;Radiology,1968
4. Avascular necrosis of bone after renal transplantation;Harrington;J Bone Joint Surg [Am],1971
5. Epidemiology of traumatic and nontraumatic osteonecrosis;Jacobs;Clin Orthop,1978