Educations about HPV from Organizations • Centers for Disease Control and Prevention -HPV infection and genital warts. Sexually transmitted diseases treatment guidelines 2006 • Society of Obstetricians and Gynaecologists of Canada -Treatment of external genital warts and pre-invasive neoplasia of the lower tract. In: Canadian consensus guidelines on human papillomavirus • American Cancer Society -American Cancer Society guideline for human papillomavirus (HPV) vaccine use to prevent cervical cancer and its precursors