RT Journal Article SR Electronic T1 Commentary on “The Risky Business of Studying Prognosis” JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 1771 OP 1771 DO 10.3899/jrheum.130393 VO 40 IS 10 A1 ANNA BRODER A1 CHAIM PUTTERMAN YR 2013 UL http://www.jrheum.org/content/40/10/1771.1.abstract AB