Cauli, A., G. Dessole, P. Nurchis, A. Vacca, A. Mameli, P. Garau, R. Pala, G. Passiu, and A. Mathieu. “The Role of HLA-B27 Molecules in the Pathogenesis of Ankylosing Spondylitis”. Reumatismo, vol. 54, no. 3, Sept. 2002, pp. 266-71, doi:10.4081/reumatismo.2002.266.