TY - JOUR T1 - Empire Rheumatism Council JF - Annals of the Rheumatic Diseases JO - Ann Rheum Dis SP - 288 LP - 297 DO - 10.1136/ard.2.4.288 VL - 2 IS - 4 A2 - , Y1 - 1941/12/01 UR - http://ard.bmj.com/content/2/4/288.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -