Incidence of constrained condylar and hinged knee implants and mid-to long-term survivorship: a register-based study from the Nordic Arthroplasty Register Association (NARA). - VON HINTZE, Jake; PONKILAINEN, Ville; W-DAHL, Annette; HAILER, Nils P.; FURNES, Ove; FENSTAD, Anne M.; BADAWY, Mona; PEDERSEN, Alma B.; LINDBERG-LARSEN, Martin; NIEMELÄINEN, Mika J.; MÄKELÄ, Keijo; ESKELINEN, Antti (Acta Orthopaedica, 2025)