TY - JOUR T1 - Ralph Consden JF - Annals of the Rheumatic Diseases JO - Ann Rheum Dis SP - 213 LP - 213 DO - 10.1136/ard.40.2.213 VL - 40 IS - 2 AU - L. E. G. Y1 - 1981/04/01 UR - http://ard.bmj.com/content/40/2/213.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -