RT Journal Article SR Electronic T1 THE RHEUMATIC DISEASES JF British Journal of Industrial Medicine JO Br J Ind Med FD BMJ Publishing Group Ltd SP 98 OP 98 DO 10.1136/oem.3.2.98-a VO 3 IS 2 A1 K. M. A. P. YR 1946 UL http://oem.bmj.com/content/3/2/98.2.abstract AB