TY - JOUR T1 - Abstracts JF - Annals of the Rheumatic Diseases JO - Ann Rheum Dis SP - 183 LP - 193 DO - 10.1136/ard.7.3.183 VL - 7 IS - 3 A2 - , Y1 - 1948/01/01 UR - http://ard.bmj.com/content/7/3/183.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -