RT Journal Article SR Electronic T1 Important but incomplete data analysis? JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP annrheumdis-2017-211979 DO 10.1136/annrheumdis-2017-211979 A1 Philipp Sewerin A1 Annika Hoyer A1 Matthias Schneider A1 Ben Ostendorf A1 Ralph Brinks YR 2017 UL http://ard.bmj.com/content/early/2017/07/14/annrheumdis-2017-211979.abstract AB