Leone, M., A. Alunno, G. Cafaro, V. Valentini, E. Marcucci, E. Bartoloni, and R. Gerli. “The Clinical Spectrum of Primary Sjögren’s Syndrome: Beyond Exocrine Glands”. Reumatismo, Vol. 69, no. 3, Sept. 2017, pp. 93-00, doi:10.4081/reumatismo.2017.1032.