Scatter plot, with linear regression line, showing correlation between BN/GRP and sTNFR1 in serum. Spearman's rank correlation coefficient (rs = 0.61; P < 0.05), measured, using ELISA, in serum from patients with long-standing RA. BN/GRP, bombesin/gastrin-releasing peptide; RA, rheumatoid arthritis; sTNFR1, soluble TNF receptor 1.
Grimsholm et al. Arthritis Research & Therapy 2005 7:R416-R426 doi:10.1186/ar1503