RT Journal Article SR Electronic T1 Failure of cytotoxic drugs to suppress immune responses of patients with rheumatoid arthritis. JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP 220 OP 231 DO 10.1136/ard.29.3.220 VO 29 IS 3 A1 Denman, E J A1 Denman, A M A1 Greenwood, B M A1 Gall, D A1 Heath, R B YR 1970 UL http://ard.bmj.com/content/29/3/220.abstract AB