RT Journal Article SR Electronic T1 The melatonin-cytokine connection in rheumatoid arthritis JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP 1109 OP 1111 DO 10.1136/ard.2005.038588 VO 64 IS 8 A1 Cutolo, M A1 Maestroni, G J M YR 2005 UL http://ard.bmj.com/content/64/8/1109.abstract AB