![Daily health status registration (patient diary) in patients with rheumatoid arthritis: A comparison between personal digital assistant and paper-pencil format]()
Daily health status registration (patient diary) in patients with rheumatoid arthritis: A comparison between personal digital assistant and paper-pencil formatTurid Heiberg; Tore K. Kvien; Øystein Dale; Petter Mowinckel; Gerd J. Aanerud; Ann B. Songe-Møller; Till Uhlig; Kåre B. Hagen · 2007