1. Natural history of congenital hip dislocation(CDH) and hip dysplasia;Weinstein;Clin Orthop,1987
2. The natural history of congenital disease of the hip;Wedge;J Bone Joint Surg Br,1979
3. The natural history of congenitaldislocation of the hip: a critical review;Wedge;Clin Orthop,1978
4. Etiology of osteoarthritis of the hip;Harris;Clin Orthop,1986
5. Acetabular dysplasia and development of osteoarthritis of hip;Stulberg,1974