Poolman RW, Beers LWAHV, Wal BCHVD, Loon TGV, Moojen DJF, Wier MFV, et al. 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. ActaO [Internet]. 2020 Aug. 4 [cited 2025 Feb. 23];91(5):514–519. Available from: https://actaorthop.org/actao/article/view/732