Omenås, Harald Nagelgaard, et al. “Patellofemoral Arthroplasty-Patient Demographics and Revision Causes Compared With Total and Medial Unicompartmental Knee Arthroplasty: Long-Term Follow-up Data from the Norwegian Arthroplasty Register”. Acta Orthopaedica, vol. 96, Sept. 2025, pp. 671–676, doi:10.2340/17453674.2025.44593.