Health consequences of graded, full, and no sickness absence among workers with musculoskeletal disorders: health profiles and six-months symptom changes of patients referred to Norwegian outpatient clinics for chronic neck and back pain. - Sanatkar, Samineh; Stevelink, Sharon A. M.; Aars, Nils; Bardal, Ingvild; Brandseth, Oda Lekve; Brinchmann, Beate; Mykletun, Arnstein (BMC Musculoskeletal Disorders, 2025)