Touyz, Louis Z.G., and Sarah J.J. Touyz. “Kissing, Saliva and Human Papilloma Virus: Principles, Practices, and Prophylaxis”. Jour Med Resh and Health Sci 3, no. 9 (September 3, 2020): 1078–1086. Accessed April 16, 2024. http://jmrhs.info/index.php/jmrhs/article/view/245.