Fabris, M., et al. “Fibronectin Gene Polymorphisms and Clinical Manifestations of Mixed Cryoglobulinemic Syndrome: Increased Risk of Lymphoma Associated to MspI DD and HaeIII AA Genotypes”. Reumatismo, vol. 60, no. 1, Mar. 2008, pp. 28-34, doi:10.4081/reumatismo.2008.28.