“…Other micro-organisms including Chlamydia (Keat, Maini, Nkwazi, Pegrum, Ridgway & Scott, 1978). Campylobacter (Urman, Zurier & Rothfield, 1977;Berden, Muytjens & Van der Putte, 1979), Brucella (Hodinka, Gomor, Meretey, Zahumenszky, Geher, Telegdy & Bozsoky, 1978) and Klebsiella (Ebringer, Cawdell, Cowling & Ebringer, 1978) have been implicated in B27-associated rheumatic diseases.…”