RT Journal Article SR Electronic T1 Peptostreptococcal pericarditis complicating anti-tumour necrosis factor α treatment in rheumatoid arthritis JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP 653 OP 654 DO 10.1136/ard.61.7.653 VO 61 IS 7 A1 Harney, S A1 O'Shea, F D A1 FitzGerald, O YR 2002 UL http://ard.bmj.com/content/61/7/653.abstract AB