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Espehaug, B.; Havelin, L. I.; Engesæter, L. B.; Vollset, S. E.; Langeland, N. Early Revision Among 12,179 Hip Prostheses: A Comparison of 10 Different Brands Reported to the Norwegian Arthroplasty Register, 1987-1993. ActaO 1995, 66, 487-493.