RT Journal Article SR Electronic T1 Rheumatoid arthritis and Proteus JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 420 OP 421 DO 10.7861/clinmedicine.5-4-420a VO 5 IS 4 A1 Alan Ebringer YR 2005 UL http://www.rcpjournals.org/content/5/4/420.2.abstract AB