title: A new paradigm, a follow-up letter to the editor of the journal of arthroplasty.
authors.forename: William H
authors.initials: WH
authors.lastname: Harris
mesh_terms: D019644:Arthroplasty, Replacement, Hip / Q000009:adverse effects* / Q000191:economics / Q000639:trends*; D004059:Diffusion of Innovation; D017048:Health Care Costs; D006801:Humans; D012042:Registries