TY - JOUR T1 - Correction JF - Annals of the Rheumatic Diseases JO - Ann Rheum Dis SP - 2064 LP - 2064 DO - 10.1136/ard.2010.143578 VL - 71 IS - 12 A2 - , Y1 - 2012/12/01 UR - http://ard.bmj.com/content/71/12/2064.3.abstract N2 - Keystone EC, Wang MM, Layton M, et al. Clinical evaluation of the efficacy of the … ER -