TY - JOUR T1 - From Belgium JF - Annals of the Rheumatic Diseases JO - Ann Rheum Dis SP - 281 LP - 282 DO - 10.1136/ard.51.2.281 VL - 51 IS - 2 AU - Jan Dequeker Y1 - 1992/02/01 UR - http://ard.bmj.com/content/51/2/281.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -