RT Journal Article SR Electronic T1 Amyloid-inducing factor and immunological unresponsiveness. JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP 303 OP 307 DO 10.1136/ard.31.4.303 VO 31 IS 4 A1 E S Cathcart A1 O G Rodgers A1 A S Cohen YR 1972 UL http://ard.bmj.com/content/31/4/303.abstract AB