Utami, Tofan W, et al. “Human Papillomavirus Genotypes and Its Prevalence in Normal Population: Genotip Human Papillomavirus Dan Prevalensinya Pada Populasi Normal”. Indonesian Journal of Obstetrics and Gynecology, vol. 2, no. 4, Oct. 2014, pp. 211-5, doi:10.32771/inajog.v2i4.410.