title: [20 years of the "strait-shaft." Possible uses--long-term studies--further improvements].
mesh_terms: D019644:Arthroplasty, Replacement, Hip / Q000266:history; D005544:Forecasting; D005858:Germany; D006622:Hip Prosthesis / Q000266:history; D049673:History, 20th Century; D006801:Humans