RT Journal Article SR Electronic T1 Long term infliximab treatment for severe psoriatic arthritis: evidence of sustained clinical and radiographic response JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP 1375 OP 1376 DO 10.1136/ard.2004.033233 VO 64 IS 9 A1 F Rinaldi A1 G Provenzano A1 A Termini A1 M Spinello A1 F La Seta YR 2005 UL http://ard.bmj.com/content/64/9/1375.abstract AB