RT Journal Article SR Electronic T1 Acquiring new N-glycosylation sites in variable regions of immunoglobulin genes by somatic hypermutation is a common feature of autoimmune diseases JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP annrheumdis-2017-212568 DO 10.1136/annrheumdis-2017-212568 A1 Annie Visser A1 Nishath Hamza A1 Frans G M Kroese A1 Nicolaas A Bos YR 2017 UL http://ard.bmj.com/content/early/2017/11/04/annrheumdis-2017-212568.abstract AB