Otten, Volker, Sebastian Mukka, Kjell Nilsson, Sead Crnalic, and Johan Kärrholm. 2019. “Uncemented Cups With and Without Screw Holes in Primary THA: A Swedish Hip Arthroplasty Register Study With 22,725 Hips”. Acta Orthopaedica 90 (3):258-63. https://doi.org/10.1080/17453674.2019.1599777.