Ioannidis, JPA Tarassi, K Papadopoulos, IA Voulgari, PV and Boki, KA Papasteriades, CA Drosos, AA, Shared epitopes and rheumatoid arthritis: Disease associations in Greece and meta-analysis of Mediterranean European populations, Seminars in Arthritis and Rheumatism, (31), 361-370, 2002, W B SAUNDERS CO LTD, 0049-0172