RT Journal Article SR Electronic T1 Calprotectin is not independent from baseline erosion in predicting radiological progression in early rheumatoid arthritis. Comment on ‘Calprotectin as a marker of inflammation in patients with early rheumatoid arthritis’ by Jonsson et al JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP e84 OP e84 DO 10.1136/annrheumdis-2017-212816 VO 77 IS 12 A1 Maxime Chevreau A1 Marie-Hélène Paclet A1 Xavier Romand A1 Jean-Louis Quesada A1 Olivier Vittecoq A1 Philippe Dieudé A1 Bertrand Toussaint A1 Philippe Gaudin A1 Athan Baillet YR 2018 UL http://ard.bmj.com/content/77/12/e84.abstract AB