Salaffi, F., A. Stancati, R. Procaccini, F. Cioni, and W. Grassi. “Assessment of Circadian Rhythm in Pain and Stiffness in Rheumatic Diseases According the EMA (Ecologic Momentary Assessment) Method: Patient Compliance With an Electronic Diary”. Reumatismo 57, no. 4 (December 30, 2005): 238–249. Accessed April 19, 2024. https://www.reumatismo.org/reuma/article/view/reumatismo.2005.238.