| http://www.w3.org/ns/prov#value | - HPV types are classified by their association with cancer.[2] Non-oncogenic, or low-risk HPV types, such as HPV 6 or 11, can cause (1) benign or low-grade abnormalities of cervical cells, (2) anogenital warts, and (3) a disease of the respiratory tract called recurrent respiratory papillomatosis (RRP).[3] Oncogenic, or high-risk HPV types, including types 16 and 18, can cause intraepithelial neopl
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