Alhamlan, F. S., M. N. A. AlAhdal, A. S. Al-Zahrani, and S. A. Almatrrouk. “Human Papillomaviruses: The Cervical Cancer Saga in Developing Countries”. The Journal of Infection in Developing Countries, Vol. 11, no. 11, Dec. 2017, pp. 819-25, doi:10.3855/jidc.9704.