1. Low Friction Arthroplasty of the Hip;Charnley,1979
2. The arterial supply of the developing proximal end of the human femur;Chung;J. Bone Joint Surg.,1976
3. Total surface replacement hip arthroplasty;Freeman;Clin. Orthop.,1978
4. Cemented double-cup arthroplasty of the hip;Freeman;Clin. Orthop.,1978
5. Conservative total replacement of the hip;Freeman;J. Bone Joint Surg.,1975