Carubbi, F., A. Alunno, R. Gerli, and R. Giacomelli. “Histopathology of Salivary Glands”. Reumatismo 70, no. 3 (October 3, 2018): 146-154. Accessed December 18, 2018. https://reumatismo.org/index.php/reuma/article/view/1053.