“Analysis of Foot Structural Damage in Rheumatoid Arthritis: Clinical Evaluation by Validated Measures and Serological Correlations”. Reumatismo 61, no. 1 (March 30, 2009): 48–53. Accessed July 3, 2025. https://www.reumatismo.org/reuma/article/view/reumatismo.2009.48.