1. Arie, E., Johnson, F., Harrison, MH., Hughes, JR. and Small, P. Femoral head shape in Perthes disease: is the contralateral hip abnormal?;Clin Orthop Relat Res,1986
2. Barrack, RL. and Burnett, SJ. Preoperative planning for revision total hip arthroplasty.;J Bone Joint Surg Am,2005
3. Berry, DJ., Harmsen, WS., Cabanela, ME. and Morrey, BF. Twenty-five-year survivorship of two thousand consecutive primary Charnley total hip replacements: factors affecting survivorship of acetabular and femoral components.;J Bone Joint Surg Am,2002
4. Valle, AG., Padgett, DE. and Salvati, EA. Preoperative planning for primary total hip arthroplasty.;J Am Acad Orthop Surg,2005
5. Dore, DD. and Rubash, HE. Primary total hip arthroplasty in the older patient: optimizing the results.;Instr Course Lect,1994