RT Journal Article SR Electronic T1 PPAD remains a credible candidate for inducing autoimmunity in rheumatoid arthritis: comment on the article by Konig et al JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP e7 OP e7 DO 10.1136/annrheumdis-2014-206665 VO 74 IS 1 A1 Anne-Marie Quirke A1 Karin Lundberg A1 Jan Potempa A1 Ted R Mikuls A1 Patrick J Venables YR 2015 UL http://ard.bmj.com/content/74/1/e7.abstract AB