Klinaki, E. Katsoulis, M. La Vecchia, C. Trichopoulou, A., Rheumatoid arthritis and cancer riskresults from the Greek European prospective investigation into cancer and nutrition cohort, European Journal of Cancer Prevention: The Official Journal of the European Cancer Prevention Organisation (ECP), (27), 502-506, 2018, Lippincott Williams and Wilkins, 0959-8278