Long Term Results of BHR and Lessons Learned, Effect of Patient Selection and Surgical Techniques on Outcome Results of Conserve Plus, Results and Use of Mono Block Cups (Thick vs Thin), Changes in High Activity After Resurfacing, Incidence and Prevention of Complications for Resurfacing, A Survey of Incidence of Pseudotumors with MOM Hip Resurfacing in Canadian Academic Centers, Effects of Component Orientation, Coverage, and Design on Ion Levels and ALTR After Hip Resurfacing: A Multi-Center Study, Imaging and In Vivo Validation of MARS MRI After Hip Resurfacing, Histological Features of Femoral Hip Resurfacing with Neck Narrowing, Risk Factors and Affects on Incidence on Pseudotumors, Promising New Techniques for Hip Resurfacing, Comparison of Functional Results of Hip Resurfacing and Total Hip Replacement, Indications, Techniques, and Results of Revision of Hip Resurfacing, Comparison of Cemented and Cementless Hip Resurfacing- A 2-5 year Follow-up