Jin, X., Beguerie, J. R., Zhang, W., Blizzard, L., Otahal, P., Jones, G., & Ding, C. (2013). Circulating C reactive protein in osteoarthritis: a systematic review and meta-analysis. Annals of the Rheumatic Diseases, 74(4), 703–710. doi:10.1136/annrheumdis-2013-204494