RT Journal Article SR Electronic T1 Cardiac involvement in rheumatoid disease JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 18 OP 21 DO 10.7861/clinmedicine.1-1-18 VO 1 IS 1 A1 George Kitas A1 Matthew J Banks A1 Paul A Bacon YR 2001 UL http://www.rcpjournals.org/content/1/1/18.abstract AB