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2. Total hip articular replacement by internal eccentric shells;Amstutz;Clin. Orthop.,1977
3. Tharies surface replacements: A review of the first 100 cases;Amstutz;Clin. Orthop.,1978
4. Surface replacement of the hip with the Tharies system;Amstutz;J. Bone Joint Surg.,1981
5. Total hip arthroplasty;Beckenbaugh;J. Bone Joint Surg.,1978