1. Legg–Calvé–Perthes’ Disease;Catterall,1982
2. The epidemiology of Perthes’ disease;Barker;Clin Orthop,1986
3. Is Perthes’ disease primarily unilateral?;Chivabongs;Z Orthop,1972
4. The blood supply of the lateral epiphyseal arteries in Perthes’ disease;Atsumi;J Bone Joint Surg Br,2000
5. Legg–Calve–Perthes’ disease and thrombophilia;Balasa;J Bone Joint Surg Am,2004