Soncini, E., et al. “Reduction of the Risk of Cervical Intraepithelial Neoplasia in HIV-Infected Women Treated With Highly Active Antiretroviral Therapy”. Acta Biomedica Atenei Parmensis, vol. 78, no. 1, Apr. 2007, pp. 36-40, https://mattioli1885journals.com/index.php/actabiomedica/article/view/1925.