Marrone, M., A. Chialà, M. Tampoia, F. Iannone, L. Raho, M. Covelli, V. Grattagliano, N. Pansini, and G. Lapadula. “Prevalence of Anti-CCP Antibodies in Systemic Sclerosis”. Reumatismo 59, no. 1 (March 30, 2007): 20–24. Accessed April 25, 2024. https://www.reumatismo.org/reuma/article/view/reumatismo.2007.20.