Ismail, Noor H., et al. “Detection of Human Papilloma Virus Type 6 and Type 11 in Women With Breast Cancer by in Situ Hybridization Technique”. Journal of the Faculty of Medicine Baghdad, vol. 57, no. 1, Apr. 2015, pp. 59-63, https://doi.org/10.32007/jfacmedbagdad.571310.