TY - JOUR T1 - Correction JF - Annals of the Rheumatic Diseases JO - Ann Rheum Dis SP - 336 LP - 336 DO - 10.1136/ard.2009.108555corr1 VL - 69 IS - 2 A2 - , Y1 - 2010/02/01 UR - http://ard.bmj.com/content/69/2/336.abstract N2 - There were some errors in a paper published in … ER -