The efficacy of strength or aerobic exercise on quality of life and knee function in patients with knee osteoarthritis. A multi-arm randomized controlled trial with 1-year follow-up. - Øiestad, Britt Elin; Årøen, Asbjørn; Røtterud, Jan Harald; Østerås, Nina; Jarstad, Even; Grotle, Margreth; Risberg, May Arna (BMC Musculoskeletal Disorders, 2023)