Swaak, AJG van den Brink, HG Smeenk, RJT Manger, K and Kalden, JR Tosi, S Marchesoni, A Domljan, Z Rozman, B and Logar, D Pokorny, G Kovacs, L Kovacs, A and Vlachoyiannopoulos, PG Moutsopoulos, HM Chwalinska-Sadowska, H and Dratwianka, B Kiss, E Cikes, N Branimir, A and Schneider, M Fischer, R Bombardieri, S Mosca, M and Graninger, W Smolen, JS, Systemic lupus erythematosus: clinical features in patients with a disease duration of over 10 years, first evaluation, The Lancet Rheumatology, (38), 953-958, 1999, Oxford University Press,