1. No effect of additional screw fixation of a cementless, all-polyethylene press-fit socket on migration, wear and clinical outcome: a 6.5 years randomized controlled radiostereometric analysis trial 
M.J. Minten, P. Heesterbeek, M. Spruit 
Osteoarthritis and Cartilage 
Volume 24, Pages S511-S512 (April 2016)
DOI: /j.joca
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2. Figure 1. RSA radiograph with markers (purple (cup) and red (acetabulum)), femoral head contour (blue line), the generated 3D models, and the coordinate system.
Osteoarthritis and Cartilage  , S511-S512DOI: ( /j.joca )
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3. Figure 2. Total Translation and Total Rotation at 6.5 year follow-up.
Osteoarthritis and Cartilage  , S511-S512DOI: ( /j.joca )
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4. Figure 3. Mean wear (mm) over time, for individual directions and total wear.
Osteoarthritis and Cartilage  , S511-S512DOI: ( /j.joca )
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