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2. Use of computer-assisted digitization in the assessment and position of total hip replacements;Ayers,1990
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4. A stereophotogrammetric system for the detection of prosthesis loosening in total hip arthroplasty;Baumrind;Proc Soc Photo-Optical Instrumentation Engineers,1978
5. Migration and rotation of cementless acetabular cups: incidence, etiology, and clinical significance;Blum;Orthop Trans,1990