Brizzolara, R., et al. “CTLA4-Ig Interferes and Downregulates the Proinflammatory Activities of Rheumatoid Synovial Macrophages in Monoculture”. Reumatismo, vol. 63, no. 2, June 2011, pp. 80-85, doi:10.4081/reumatismo.2011.80.