Hip Resurfacing Arthroplasty as an Alternative to Total Hip Arthroplasty in Patients Aged Under 40 years Hip Resurfacing Arthroplasty as an Alternative to Total Hip Arthroplasty in Patients Aged Under 40 years Hip Studies, Research Hip Resurfacing Arthroplasty as an Alternative to Total Hip Arthroplasty in Patients Aged Under 40 years Prem N Ramkumar MD, MBATags: Hip Arthroplasty Research, Hip Resurfacing Research|