RT Journal Article SR Electronic T1 Rheumatology in Dar-es-Salaam, Tanzania. JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP 658 OP 659 DO 10.1136/ard.50.9.658-d VO 50 IS 9 A1 P E McGill YR 1991 UL http://ard.bmj.com/content/50/9/658.4.abstract AB