Rud-Sørensen, C., Pedersen, A. B., Johnsen, S. P., Riis, A. H., & Overgaard, S. (2010). Survival of primary total hip arthroplasty in rheumatoid arthritis patients. Acta Orthopaedica, 81(1), 60–65. https://doi.org/10.3109/17453671003685418