JOURNAL OF PERIODONTOLOGY, vol.71, no.11, pp.1756-1760, 2000 (SCI-Expanded)
Background: The aim of this study was to determine and compare interleukin-6 (IL-6) levels in gingival crevicular fluid (GCF) and clinical periodontal findings in patients with rheumatoid arthritis (RA) and adult periodontitis (AP).