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  1. The (r)evolution of hyped innovations in orthopedic implants: can prudent introduction avoid throwing the baby out with the bathwater?
  2. A comparative health care inventory for primary hip arthroplasty between Germany versus the Netherlands. Is there a downside effect to fast-track surgery with regard to patient satisfaction and functional outcome?
  3. General anesthesia might be associated with early periprosthetic joint infection: an observational study of 3,909 arthroplasties
  4. Resurfacing hip arthroplasty better preserves a normal gait pattern at increasing walking speeds compared to total hip arthroplasty
  5. Changes in periacetabular bone mineral density five years after resurfacing hip arthroplasty versus conventional total hip arthroplasty
  6. Bone mineral density changes in the graft after acetabular impaction bone grafting in primary and revision hip surgery
  7. Increase in Physical Activity after Resurfacing Hip Arthroplasty is Associated with Calcar and Acetabular Bone Mineral Density Changes
  8. Blood metal ion levels are not a useful test for adverse reactions to metal debris: A systematic review and meta-analysis
  9. Similar incidence of periprosthetic fluid collections after ceramic-on-polyethylene total hip arthroplasties and metal-on-metal resurfacing arthroplasties: results of a screening metal artefact reduction sequence-MRI study