RT Journal Article SR Electronic T1 Psychological Factors and Pain in the Assessment of Rheumatoid Therapy JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP 105 OP 110 DO 10.1136/ard.10.2.105 VO 10 IS 2 A1 Clark, C. J. M. YR 1951 UL http://ard.bmj.com/content/10/2/105.abstract AB