Hip resurfacing.  Occasionally, an alternative to replacement.
D000367:Age Factors; D019644:Arthroplasty, Replacement, Hip / Q000379:methods*; D005260:Female; D005269:Femur / Q000601:surgery*; D006621:Hip Joint / Q000473:pathology / Q000601:surgery*; D006622:Hip Prosthesis / Q000009:adverse effects / Q000145:classification* / Q000592:standards; D006801:Humans; D008019:Life Style; D008297:Male; D012307:Risk Factors; D013673:Technology Assessment, Biomedical; D016896:Treatment Outcome