Poolman, R. W. ., Beers, L. W. A. H. V., Wal , B. C. H. V. D., Loon, T. G. V., Moojen, D. J. F., Wier, M. F. V. ., Klaassen, A. D. . and Willigenburg, N. W. (2020) “Study protocol: Effectiveness of dual-mobility cups compared with uni-polar cups for preventing dislocation after primary total hip arthroplasty in elderly patients — design of a randomized controlled trial nested in the Dutch Arthroplasty Registry”, Acta Orthopaedica, 91(5), pp. 514–519. doi: 10.1080/17453674.2020.1798658.