RT Journal Article SR Electronic T1 Cyclophosphamide in systemic lupus erythematosus. JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP 673 OP 676 DO 10.1136/ard.29.6.673 VO 29 IS 6 A1 Hadidi, T YR 1970 UL http://ard.bmj.com/content/29/6/673.abstract AB