Ritter, M A Long-term comparison of the Charnley, Muller, and Trapezoidal-28 total hip prostheses. A survival analysis. [electronic resource] - The Journal of arthroplasty 1987 - 299-308 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0883-5403 Standard No.: 10.1016/s0883-5403(87)80063-3 doi Subjects--Topical Terms: Age FactorsAgedFemaleFemoral Fractures--etiologyFollow-Up StudiesHip Prosthesis--adverse effectsHumansMaleMiddle AgedPain--etiologyProsthesis DesignProsthesis FailureRegression AnalysisSex Factors