TY - JOUR T1 - Notes and news JF - Annals of the Rheumatic Diseases JO - Ann Rheum Dis SP - 347 LP - 347 DO - 10.1136/ard.50.6.347 VL - 50 IS - 6 A2 - , Y1 - 1991/06/01 UR - http://ard.bmj.com/content/50/6/347.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -