THE ASSOCIATION BETWEEN ILLNESS PERCEPTION AND TWO-YEAR TRAJECTORIES IN KNEE PAIN AMONG ELDERLY DANES WITH SIGNS OF EARLY OA: A COHORT STUDY. (April 2022) - Ginnerup-Nielsen, E.M.; Christensen, R.; Heitmann, B.L.; Altman, R.D.; March, L.; Woolf, A.; Bliddal, H.; Henriksen, M.